Home / 12,711.47-19,060.25-10,095.77

Finding the Fourth Proportional to 12,711.47, 19,060.25 and 10,095.77

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Solution

The fourth proportional to 12,711.47, 19,060.25 and 10,095.77 is: 15,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.47 : 19,060.25 = 10,095.77 : x
  2. Step 2: Convert to fraction form
    12,711.47/19,060.25 = 10,095.77/x
  3. Step 3: Cross multiply
    12,711.47x = 19,060.25 × 10,095.77
  4. Step 4: Simplify right side
    12,711.47x = 192,427,897.31
  5. Step 5: Solve for x
    x = 192,427,897.31/12,711.47
  6. Step 6: Final answer
    x = 15,138.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.