Home / 21,192.04-31,767.36-10,095.76

Finding the Fourth Proportional to 21,192.04, 31,767.36 and 10,095.76

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Solution

The fourth proportional to 21,192.04, 31,767.36 and 10,095.76 is: 15,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.04 : 31,767.36 = 10,095.76 : x
  2. Step 2: Convert to fraction form
    21,192.04/31,767.36 = 10,095.76/x
  3. Step 3: Cross multiply
    21,192.04x = 31,767.36 × 10,095.76
  4. Step 4: Simplify right side
    21,192.04x = 320,715,642.39
  5. Step 5: Solve for x
    x = 320,715,642.39/21,192.04
  6. Step 6: Final answer
    x = 15,133.78

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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.