Home / 15,859.40-23,772.90-9,282.20

Finding the Fourth Proportional to 15,859.40, 23,772.90 and 9,282.20

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Solution

The fourth proportional to 15,859.40, 23,772.90 and 9,282.20 is: 13,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.40 : 23,772.90 = 9,282.20 : x
  2. Step 2: Convert to fraction form
    15,859.40/23,772.90 = 9,282.20/x
  3. Step 3: Cross multiply
    15,859.40x = 23,772.90 × 9,282.20
  4. Step 4: Simplify right side
    15,859.40x = 220,664,812.38
  5. Step 5: Solve for x
    x = 220,664,812.38/15,859.40
  6. Step 6: Final answer
    x = 13,913.82

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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.