Home / 19,689.61-27,171.59-10,737.09

Finding the Fourth Proportional to 19,689.61, 27,171.59 and 10,737.09

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Solution

The fourth proportional to 19,689.61, 27,171.59 and 10,737.09 is: 14,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.61 : 27,171.59 = 10,737.09 : x
  2. Step 2: Convert to fraction form
    19,689.61/27,171.59 = 10,737.09/x
  3. Step 3: Cross multiply
    19,689.61x = 27,171.59 × 10,737.09
  4. Step 4: Simplify right side
    19,689.61x = 291,743,807.27
  5. Step 5: Solve for x
    x = 291,743,807.27/19,689.61
  6. Step 6: Final answer
    x = 14,817.15

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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.