Home / 15,681.52-21,634.32-10,095.76

Finding the Fourth Proportional to 15,681.52, 21,634.32 and 10,095.76

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Solution

The fourth proportional to 15,681.52, 21,634.32 and 10,095.76 is: 13,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.52 : 21,634.32 = 10,095.76 : x
  2. Step 2: Convert to fraction form
    15,681.52/21,634.32 = 10,095.76/x
  3. Step 3: Cross multiply
    15,681.52x = 21,634.32 × 10,095.76
  4. Step 4: Simplify right side
    15,681.52x = 218,414,902.48
  5. Step 5: Solve for x
    x = 218,414,902.48/15,681.52
  6. Step 6: Final answer
    x = 13,928.17

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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.