Home / 15,468.40-21,346.02-8,753.80

Finding the Fourth Proportional to 15,468.40, 21,346.02 and 8,753.80

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Solution

The fourth proportional to 15,468.40, 21,346.02 and 8,753.80 is: 12,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.40 : 21,346.02 = 8,753.80 : x
  2. Step 2: Convert to fraction form
    15,468.40/21,346.02 = 8,753.80/x
  3. Step 3: Cross multiply
    15,468.40x = 21,346.02 × 8,753.80
  4. Step 4: Simplify right side
    15,468.40x = 186,858,789.88
  5. Step 5: Solve for x
    x = 186,858,789.88/15,468.40
  6. Step 6: Final answer
    x = 12,080.03

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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.