Home / 10,307.01-14,219.61-6,321.20

Finding the Fourth Proportional to 10,307.01, 14,219.61 and 6,321.20

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Solution

The fourth proportional to 10,307.01, 14,219.61 and 6,321.20 is: 8,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.01 : 14,219.61 = 6,321.20 : x
  2. Step 2: Convert to fraction form
    10,307.01/14,219.61 = 6,321.20/x
  3. Step 3: Cross multiply
    10,307.01x = 14,219.61 × 6,321.20
  4. Step 4: Simplify right side
    10,307.01x = 89,884,998.73
  5. Step 5: Solve for x
    x = 89,884,998.73/10,307.01
  6. Step 6: Final answer
    x = 8,720.76

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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.