Home / 19,689.80-27,172.16-10,737.23

Finding the Fourth Proportional to 19,689.80, 27,172.16 and 10,737.23

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Solution

The fourth proportional to 19,689.80, 27,172.16 and 10,737.23 is: 14,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.80 : 27,172.16 = 10,737.23 : x
  2. Step 2: Convert to fraction form
    19,689.80/27,172.16 = 10,737.23/x
  3. Step 3: Cross multiply
    19,689.80x = 27,172.16 × 10,737.23
  4. Step 4: Simplify right side
    19,689.80x = 291,753,582.23
  5. Step 5: Solve for x
    x = 291,753,582.23/19,689.80
  6. Step 6: Final answer
    x = 14,817.50

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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.