Home / 15,572.66-21,482.79-10,192.73

Finding the Fourth Proportional to 15,572.66, 21,482.79 and 10,192.73

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Solution

The fourth proportional to 15,572.66, 21,482.79 and 10,192.73 is: 14,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.66 : 21,482.79 = 10,192.73 : x
  2. Step 2: Convert to fraction form
    15,572.66/21,482.79 = 10,192.73/x
  3. Step 3: Cross multiply
    15,572.66x = 21,482.79 × 10,192.73
  4. Step 4: Simplify right side
    15,572.66x = 218,968,170.70
  5. Step 5: Solve for x
    x = 218,968,170.70/15,572.66
  6. Step 6: Final answer
    x = 14,061.07

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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.