Home / 8,631.93-11,913.23-5,047.95

Finding the Fourth Proportional to 8,631.93, 11,913.23 and 5,047.95

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Solution

The fourth proportional to 8,631.93, 11,913.23 and 5,047.95 is: 6,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.93 : 11,913.23 = 5,047.95 : x
  2. Step 2: Convert to fraction form
    8,631.93/11,913.23 = 5,047.95/x
  3. Step 3: Cross multiply
    8,631.93x = 11,913.23 × 5,047.95
  4. Step 4: Simplify right side
    8,631.93x = 60,137,402.00
  5. Step 5: Solve for x
    x = 60,137,402.00/8,631.93
  6. Step 6: Final answer
    x = 6,966.85

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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.