Home / 15,807.18-23,710.58-9,139.43

Finding the Fourth Proportional to 15,807.18, 23,710.58 and 9,139.43

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Solution

The fourth proportional to 15,807.18, 23,710.58 and 9,139.43 is: 13,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.18 : 23,710.58 = 9,139.43 : x
  2. Step 2: Convert to fraction form
    15,807.18/23,710.58 = 9,139.43/x
  3. Step 3: Cross multiply
    15,807.18x = 23,710.58 × 9,139.43
  4. Step 4: Simplify right side
    15,807.18x = 216,701,186.17
  5. Step 5: Solve for x
    x = 216,701,186.17/15,807.18
  6. Step 6: Final answer
    x = 13,709.04

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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.