Home / 9,948.60-14,922.90-7,615.80

Finding the Fourth Proportional to 9,948.60, 14,922.90 and 7,615.80

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Solution

The fourth proportional to 9,948.60, 14,922.90 and 7,615.80 is: 11,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.60 : 14,922.90 = 7,615.80 : x
  2. Step 2: Convert to fraction form
    9,948.60/14,922.90 = 7,615.80/x
  3. Step 3: Cross multiply
    9,948.60x = 14,922.90 × 7,615.80
  4. Step 4: Simplify right side
    9,948.60x = 113,649,821.82
  5. Step 5: Solve for x
    x = 113,649,821.82/9,948.60
  6. Step 6: Final answer
    x = 11,423.70

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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.