Home / 10,307.02-14,229.20-8,064.12

Finding the Fourth Proportional to 10,307.02, 14,229.20 and 8,064.12

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Solution

The fourth proportional to 10,307.02, 14,229.20 and 8,064.12 is: 11,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.02 : 14,229.20 = 8,064.12 : x
  2. Step 2: Convert to fraction form
    10,307.02/14,229.20 = 8,064.12/x
  3. Step 3: Cross multiply
    10,307.02x = 14,229.20 × 8,064.12
  4. Step 4: Simplify right side
    10,307.02x = 114,745,976.30
  5. Step 5: Solve for x
    x = 114,745,976.30/10,307.02
  6. Step 6: Final answer
    x = 11,132.80

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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.