Home / 15,865.90-23,798.85-4,180.30

Finding the Fourth Proportional to 15,865.90, 23,798.85 and 4,180.30

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Solution

The fourth proportional to 15,865.90, 23,798.85 and 4,180.30 is: 6,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.90 : 23,798.85 = 4,180.30 : x
  2. Step 2: Convert to fraction form
    15,865.90/23,798.85 = 4,180.30/x
  3. Step 3: Cross multiply
    15,865.90x = 23,798.85 × 4,180.30
  4. Step 4: Simplify right side
    15,865.90x = 99,486,332.66
  5. Step 5: Solve for x
    x = 99,486,332.66/15,865.90
  6. Step 6: Final answer
    x = 6,270.45

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Similar ratio
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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.