Home / 11,340.81-15,651.02-6,306.15

Finding the Fourth Proportional to 11,340.81, 15,651.02 and 6,306.15

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Solution

The fourth proportional to 11,340.81, 15,651.02 and 6,306.15 is: 8,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.81 : 15,651.02 = 6,306.15 : x
  2. Step 2: Convert to fraction form
    11,340.81/15,651.02 = 6,306.15/x
  3. Step 3: Cross multiply
    11,340.81x = 15,651.02 × 6,306.15
  4. Step 4: Simplify right side
    11,340.81x = 98,697,754.23
  5. Step 5: Solve for x
    x = 98,697,754.23/11,340.81
  6. Step 6: Final answer
    x = 8,702.88

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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.