Home / 12,366.57-17,089.15-9,376.86

Finding the Fourth Proportional to 12,366.57, 17,089.15 and 9,376.86

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Solution

The fourth proportional to 12,366.57, 17,089.15 and 9,376.86 is: 12,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.57 : 17,089.15 = 9,376.86 : x
  2. Step 2: Convert to fraction form
    12,366.57/17,089.15 = 9,376.86/x
  3. Step 3: Cross multiply
    12,366.57x = 17,089.15 × 9,376.86
  4. Step 4: Simplify right side
    12,366.57x = 160,242,567.07
  5. Step 5: Solve for x
    x = 160,242,567.07/12,366.57
  6. Step 6: Final answer
    x = 12,957.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.