Home / 12,525.86-17,280.14-7,487.52

Finding the Fourth Proportional to 12,525.86, 17,280.14 and 7,487.52

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Solution

The fourth proportional to 12,525.86, 17,280.14 and 7,487.52 is: 10,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.86 : 17,280.14 = 7,487.52 : x
  2. Step 2: Convert to fraction form
    12,525.86/17,280.14 = 7,487.52/x
  3. Step 3: Cross multiply
    12,525.86x = 17,280.14 × 7,487.52
  4. Step 4: Simplify right side
    12,525.86x = 129,385,356.42
  5. Step 5: Solve for x
    x = 129,385,356.42/12,525.86
  6. Step 6: Final answer
    x = 10,329.46

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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.