Home / 10,218.60-15,342.30-6,330.60

Finding the Fourth Proportional to 10,218.60, 15,342.30 and 6,330.60

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Solution

The fourth proportional to 10,218.60, 15,342.30 and 6,330.60 is: 9,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.60 : 15,342.30 = 6,330.60 : x
  2. Step 2: Convert to fraction form
    10,218.60/15,342.30 = 6,330.60/x
  3. Step 3: Cross multiply
    10,218.60x = 15,342.30 × 6,330.60
  4. Step 4: Simplify right side
    10,218.60x = 97,125,964.38
  5. Step 5: Solve for x
    x = 97,125,964.38/10,218.60
  6. Step 6: Final answer
    x = 9,504.82

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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.