Home / 18,935.66-26,131.40-10,437.95

Finding the Fourth Proportional to 18,935.66, 26,131.40 and 10,437.95

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Solution

The fourth proportional to 18,935.66, 26,131.40 and 10,437.95 is: 14,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.66 : 26,131.40 = 10,437.95 : x
  2. Step 2: Convert to fraction form
    18,935.66/26,131.40 = 10,437.95/x
  3. Step 3: Cross multiply
    18,935.66x = 26,131.40 × 10,437.95
  4. Step 4: Simplify right side
    18,935.66x = 272,758,063.78
  5. Step 5: Solve for x
    x = 272,758,063.78/18,935.66
  6. Step 6: Final answer
    x = 14,404.47

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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.