Home / 15,737.07-21,717.16-8,663.44

Finding the Fourth Proportional to 15,737.07, 21,717.16 and 8,663.44

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Solution

The fourth proportional to 15,737.07, 21,717.16 and 8,663.44 is: 11,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.07 : 21,717.16 = 8,663.44 : x
  2. Step 2: Convert to fraction form
    15,737.07/21,717.16 = 8,663.44/x
  3. Step 3: Cross multiply
    15,737.07x = 21,717.16 × 8,663.44
  4. Step 4: Simplify right side
    15,737.07x = 188,145,312.63
  5. Step 5: Solve for x
    x = 188,145,312.63/15,737.07
  6. Step 6: Final answer
    x = 11,955.55

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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.