Home / 10,258.55-15,387.98-6,770.89

Finding the Fourth Proportional to 10,258.55, 15,387.98 and 6,770.89

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Solution

The fourth proportional to 10,258.55, 15,387.98 and 6,770.89 is: 10,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.55 : 15,387.98 = 6,770.89 : x
  2. Step 2: Convert to fraction form
    10,258.55/15,387.98 = 6,770.89/x
  3. Step 3: Cross multiply
    10,258.55x = 15,387.98 × 6,770.89
  4. Step 4: Simplify right side
    10,258.55x = 104,190,305.28
  5. Step 5: Solve for x
    x = 104,190,305.28/10,258.55
  6. Step 6: Final answer
    x = 10,156.44

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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.