Home / 15,009.40-22,515.36-6,245.20

Finding the Fourth Proportional to 15,009.40, 22,515.36 and 6,245.20

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Solution

The fourth proportional to 15,009.40, 22,515.36 and 6,245.20 is: 9,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.40 : 22,515.36 = 6,245.20 : x
  2. Step 2: Convert to fraction form
    15,009.40/22,515.36 = 6,245.20/x
  3. Step 3: Cross multiply
    15,009.40x = 22,515.36 × 6,245.20
  4. Step 4: Simplify right side
    15,009.40x = 140,612,926.27
  5. Step 5: Solve for x
    x = 140,612,926.27/15,009.40
  6. Step 6: Final answer
    x = 9,368.32

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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.