Home / 12,351.80-18,532.02-3,587.24

Finding the Fourth Proportional to 12,351.80, 18,532.02 and 3,587.24

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Solution

The fourth proportional to 12,351.80, 18,532.02 and 3,587.24 is: 5,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.80 : 18,532.02 = 3,587.24 : x
  2. Step 2: Convert to fraction form
    12,351.80/18,532.02 = 3,587.24/x
  3. Step 3: Cross multiply
    12,351.80x = 18,532.02 × 3,587.24
  4. Step 4: Simplify right side
    12,351.80x = 66,478,803.42
  5. Step 5: Solve for x
    x = 66,478,803.42/12,351.80
  6. Step 6: Final answer
    x = 5,382.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.