Home / 15,439-23,158.46-3,752.22

Finding the Fourth Proportional to 15,439, 23,158.46 and 3,752.22

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Solution

The fourth proportional to 15,439, 23,158.46 and 3,752.22 is: 5,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439 : 23,158.46 = 3,752.22 : x
  2. Step 2: Convert to fraction form
    15,439/23,158.46 = 3,752.22/x
  3. Step 3: Cross multiply
    15,439x = 23,158.46 × 3,752.22
  4. Step 4: Simplify right side
    15,439x = 86,895,636.78
  5. Step 5: Solve for x
    x = 86,895,636.78/15,439
  6. Step 6: Final answer
    x = 5,628.32

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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.