Home / 22,559.30-31,131.46-12,487.53

Finding the Fourth Proportional to 22,559.30, 31,131.46 and 12,487.53

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Solution

The fourth proportional to 22,559.30, 31,131.46 and 12,487.53 is: 17,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.30 : 31,131.46 = 12,487.53 : x
  2. Step 2: Convert to fraction form
    22,559.30/31,131.46 = 12,487.53/x
  3. Step 3: Cross multiply
    22,559.30x = 31,131.46 × 12,487.53
  4. Step 4: Simplify right side
    22,559.30x = 388,754,822.60
  5. Step 5: Solve for x
    x = 388,754,822.60/22,559.30
  6. Step 6: Final answer
    x = 17,232.57

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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.