Home / 19,163.92-26,446.02-10,665.91

Finding the Fourth Proportional to 19,163.92, 26,446.02 and 10,665.91

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Solution

The fourth proportional to 19,163.92, 26,446.02 and 10,665.91 is: 14,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.92 : 26,446.02 = 10,665.91 : x
  2. Step 2: Convert to fraction form
    19,163.92/26,446.02 = 10,665.91/x
  3. Step 3: Cross multiply
    19,163.92x = 26,446.02 × 10,665.91
  4. Step 4: Simplify right side
    19,163.92x = 282,070,869.18
  5. Step 5: Solve for x
    x = 282,070,869.18/19,163.92
  6. Step 6: Final answer
    x = 14,718.85

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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.