Home / 15,547.40-23,321.10-15,450.20

Finding the Fourth Proportional to 15,547.40, 23,321.10 and 15,450.20

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Solution

The fourth proportional to 15,547.40, 23,321.10 and 15,450.20 is: 23,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.40 : 23,321.10 = 15,450.20 : x
  2. Step 2: Convert to fraction form
    15,547.40/23,321.10 = 15,450.20/x
  3. Step 3: Cross multiply
    15,547.40x = 23,321.10 × 15,450.20
  4. Step 4: Simplify right side
    15,547.40x = 360,315,659.22
  5. Step 5: Solve for x
    x = 360,315,659.22/15,547.40
  6. Step 6: Final answer
    x = 23,175.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.