Home / 10,459.20-14,434.88-6,211.20

Finding the Fourth Proportional to 10,459.20, 14,434.88 and 6,211.20

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Solution

The fourth proportional to 10,459.20, 14,434.88 and 6,211.20 is: 8,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.20 : 14,434.88 = 6,211.20 : x
  2. Step 2: Convert to fraction form
    10,459.20/14,434.88 = 6,211.20/x
  3. Step 3: Cross multiply
    10,459.20x = 14,434.88 × 6,211.20
  4. Step 4: Simplify right side
    10,459.20x = 89,657,926.66
  5. Step 5: Solve for x
    x = 89,657,926.66/10,459.20
  6. Step 6: Final answer
    x = 8,572.16

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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.