Home / 13,737.13-18,954.60-8,702.17

Finding the Fourth Proportional to 13,737.13, 18,954.60 and 8,702.17

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Solution

The fourth proportional to 13,737.13, 18,954.60 and 8,702.17 is: 12,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.13 : 18,954.60 = 8,702.17 : x
  2. Step 2: Convert to fraction form
    13,737.13/18,954.60 = 8,702.17/x
  3. Step 3: Cross multiply
    13,737.13x = 18,954.60 × 8,702.17
  4. Step 4: Simplify right side
    13,737.13x = 164,946,151.48
  5. Step 5: Solve for x
    x = 164,946,151.48/13,737.13
  6. Step 6: Final answer
    x = 12,007.32

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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.