Home / 10,394.60-15,580.38-6,240.20

Finding the Fourth Proportional to 10,394.60, 15,580.38 and 6,240.20

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Solution

The fourth proportional to 10,394.60, 15,580.38 and 6,240.20 is: 9,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.60 : 15,580.38 = 6,240.20 : x
  2. Step 2: Convert to fraction form
    10,394.60/15,580.38 = 6,240.20/x
  3. Step 3: Cross multiply
    10,394.60x = 15,580.38 × 6,240.20
  4. Step 4: Simplify right side
    10,394.60x = 97,224,687.28
  5. Step 5: Solve for x
    x = 97,224,687.28/10,394.60
  6. Step 6: Final answer
    x = 9,353.38

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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.