Home / 15,866.40-23,767.20-7,521.12

Finding the Fourth Proportional to 15,866.40, 23,767.20 and 7,521.12

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Solution

The fourth proportional to 15,866.40, 23,767.20 and 7,521.12 is: 11,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.40 : 23,767.20 = 7,521.12 : x
  2. Step 2: Convert to fraction form
    15,866.40/23,767.20 = 7,521.12/x
  3. Step 3: Cross multiply
    15,866.40x = 23,767.20 × 7,521.12
  4. Step 4: Simplify right side
    15,866.40x = 178,755,963.26
  5. Step 5: Solve for x
    x = 178,755,963.26/15,866.40
  6. Step 6: Final answer
    x = 11,266.32

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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.