Home / 15,686.28-23,508.65-7,351.37

Finding the Fourth Proportional to 15,686.28, 23,508.65 and 7,351.37

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Solution

The fourth proportional to 15,686.28, 23,508.65 and 7,351.37 is: 11,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.28 : 23,508.65 = 7,351.37 : x
  2. Step 2: Convert to fraction form
    15,686.28/23,508.65 = 7,351.37/x
  3. Step 3: Cross multiply
    15,686.28x = 23,508.65 × 7,351.37
  4. Step 4: Simplify right side
    15,686.28x = 172,820,773.34
  5. Step 5: Solve for x
    x = 172,820,773.34/15,686.28
  6. Step 6: Final answer
    x = 11,017.32

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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.