Home / 15,577.05-21,496.04-8,862.53

Finding the Fourth Proportional to 15,577.05, 21,496.04 and 8,862.53

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Solution

The fourth proportional to 15,577.05, 21,496.04 and 8,862.53 is: 12,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.05 : 21,496.04 = 8,862.53 : x
  2. Step 2: Convert to fraction form
    15,577.05/21,496.04 = 8,862.53/x
  3. Step 3: Cross multiply
    15,577.05x = 21,496.04 × 8,862.53
  4. Step 4: Simplify right side
    15,577.05x = 190,509,191.90
  5. Step 5: Solve for x
    x = 190,509,191.90/15,577.05
  6. Step 6: Final answer
    x = 12,230.12

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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.