Home / 12,535.32-17,314.02-9,172.92

Finding the Fourth Proportional to 12,535.32, 17,314.02 and 9,172.92

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Solution

The fourth proportional to 12,535.32, 17,314.02 and 9,172.92 is: 12,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.32 : 17,314.02 = 9,172.92 : x
  2. Step 2: Convert to fraction form
    12,535.32/17,314.02 = 9,172.92/x
  3. Step 3: Cross multiply
    12,535.32x = 17,314.02 × 9,172.92
  4. Step 4: Simplify right side
    12,535.32x = 158,820,120.34
  5. Step 5: Solve for x
    x = 158,820,120.34/12,535.32
  6. Step 6: Final answer
    x = 12,669.81

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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.