Home / 9,748.60-14,622.90-6,638.20

Finding the Fourth Proportional to 9,748.60, 14,622.90 and 6,638.20

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Solution

The fourth proportional to 9,748.60, 14,622.90 and 6,638.20 is: 9,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.60 : 14,622.90 = 6,638.20 : x
  2. Step 2: Convert to fraction form
    9,748.60/14,622.90 = 6,638.20/x
  3. Step 3: Cross multiply
    9,748.60x = 14,622.90 × 6,638.20
  4. Step 4: Simplify right side
    9,748.60x = 97,069,734.78
  5. Step 5: Solve for x
    x = 97,069,734.78/9,748.60
  6. Step 6: Final answer
    x = 9,957.30

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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.