Home / 15,737.40-23,562.90-12,281.40

Finding the Fourth Proportional to 15,737.40, 23,562.90 and 12,281.40

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Solution

The fourth proportional to 15,737.40, 23,562.90 and 12,281.40 is: 18,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.40 : 23,562.90 = 12,281.40 : x
  2. Step 2: Convert to fraction form
    15,737.40/23,562.90 = 12,281.40/x
  3. Step 3: Cross multiply
    15,737.40x = 23,562.90 × 12,281.40
  4. Step 4: Simplify right side
    15,737.40x = 289,385,400.06
  5. Step 5: Solve for x
    x = 289,385,400.06/15,737.40
  6. Step 6: Final answer
    x = 18,388.39

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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.