Home / 10,349.60-15,524.40-9,863.60

Finding the Fourth Proportional to 10,349.60, 15,524.40 and 9,863.60

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Solution

The fourth proportional to 10,349.60, 15,524.40 and 9,863.60 is: 14,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.60 : 15,524.40 = 9,863.60 : x
  2. Step 2: Convert to fraction form
    10,349.60/15,524.40 = 9,863.60/x
  3. Step 3: Cross multiply
    10,349.60x = 15,524.40 × 9,863.60
  4. Step 4: Simplify right side
    10,349.60x = 153,126,471.84
  5. Step 5: Solve for x
    x = 153,126,471.84/10,349.60
  6. Step 6: Final answer
    x = 14,795.40

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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.