Home / 16,972.04-25,432.07-8,639.57

Finding the Fourth Proportional to 16,972.04, 25,432.07 and 8,639.57

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Solution

The fourth proportional to 16,972.04, 25,432.07 and 8,639.57 is: 12,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.04 : 25,432.07 = 8,639.57 : x
  2. Step 2: Convert to fraction form
    16,972.04/25,432.07 = 8,639.57/x
  3. Step 3: Cross multiply
    16,972.04x = 25,432.07 × 8,639.57
  4. Step 4: Simplify right side
    16,972.04x = 219,721,978.65
  5. Step 5: Solve for x
    x = 219,721,978.65/16,972.04
  6. Step 6: Final answer
    x = 12,946.12

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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.