Home / 9,948.60-14,915.70-4,102.20

Finding the Fourth Proportional to 9,948.60, 14,915.70 and 4,102.20

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Solution

The fourth proportional to 9,948.60, 14,915.70 and 4,102.20 is: 6,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.60 : 14,915.70 = 4,102.20 : x
  2. Step 2: Convert to fraction form
    9,948.60/14,915.70 = 4,102.20/x
  3. Step 3: Cross multiply
    9,948.60x = 14,915.70 × 4,102.20
  4. Step 4: Simplify right side
    9,948.60x = 61,187,184.54
  5. Step 5: Solve for x
    x = 61,187,184.54/9,948.60
  6. Step 6: Final answer
    x = 6,150.33

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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.