Home / 19,737.89-27,238.28-10,663.25

Finding the Fourth Proportional to 19,737.89, 27,238.28 and 10,663.25

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Solution

The fourth proportional to 19,737.89, 27,238.28 and 10,663.25 is: 14,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.89 : 27,238.28 = 10,663.25 : x
  2. Step 2: Convert to fraction form
    19,737.89/27,238.28 = 10,663.25/x
  3. Step 3: Cross multiply
    19,737.89x = 27,238.28 × 10,663.25
  4. Step 4: Simplify right side
    19,737.89x = 290,448,479.68
  5. Step 5: Solve for x
    x = 290,448,479.68/19,737.89
  6. Step 6: Final answer
    x = 14,715.28

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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.