Home / 19,342.95-26,691.27-11,384.70

Finding the Fourth Proportional to 19,342.95, 26,691.27 and 11,384.70

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Solution

The fourth proportional to 19,342.95, 26,691.27 and 11,384.70 is: 15,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.95 : 26,691.27 = 11,384.70 : x
  2. Step 2: Convert to fraction form
    19,342.95/26,691.27 = 11,384.70/x
  3. Step 3: Cross multiply
    19,342.95x = 26,691.27 × 11,384.70
  4. Step 4: Simplify right side
    19,342.95x = 303,872,101.57
  5. Step 5: Solve for x
    x = 303,872,101.57/19,342.95
  6. Step 6: Final answer
    x = 15,709.71

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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.