Home / 10,605.24-14,635.74-6,129.60

Finding the Fourth Proportional to 10,605.24, 14,635.74 and 6,129.60

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Solution

The fourth proportional to 10,605.24, 14,635.74 and 6,129.60 is: 8,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.24 : 14,635.74 = 6,129.60 : x
  2. Step 2: Convert to fraction form
    10,605.24/14,635.74 = 6,129.60/x
  3. Step 3: Cross multiply
    10,605.24x = 14,635.74 × 6,129.60
  4. Step 4: Simplify right side
    10,605.24x = 89,711,231.90
  5. Step 5: Solve for x
    x = 89,711,231.90/10,605.24
  6. Step 6: Final answer
    x = 8,459.14

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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.