Home / 10,770.20-14,862.40-5,990.48

Finding the Fourth Proportional to 10,770.20, 14,862.40 and 5,990.48

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Solution

The fourth proportional to 10,770.20, 14,862.40 and 5,990.48 is: 8,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.20 : 14,862.40 = 5,990.48 : x
  2. Step 2: Convert to fraction form
    10,770.20/14,862.40 = 5,990.48/x
  3. Step 3: Cross multiply
    10,770.20x = 14,862.40 × 5,990.48
  4. Step 4: Simplify right side
    10,770.20x = 89,032,909.95
  5. Step 5: Solve for x
    x = 89,032,909.95/10,770.20
  6. Step 6: Final answer
    x = 8,266.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.