Home / 15,478.43-23,217.57-5,090.18

Finding the Fourth Proportional to 15,478.43, 23,217.57 and 5,090.18

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Solution

The fourth proportional to 15,478.43, 23,217.57 and 5,090.18 is: 7,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.43 : 23,217.57 = 5,090.18 : x
  2. Step 2: Convert to fraction form
    15,478.43/23,217.57 = 5,090.18/x
  3. Step 3: Cross multiply
    15,478.43x = 23,217.57 × 5,090.18
  4. Step 4: Simplify right side
    15,478.43x = 118,181,494.37
  5. Step 5: Solve for x
    x = 118,181,494.37/15,478.43
  6. Step 6: Final answer
    x = 7,635.24

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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.