Home / 15,977.54-22,049.16-8,807.72

Finding the Fourth Proportional to 15,977.54, 22,049.16 and 8,807.72

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Solution

The fourth proportional to 15,977.54, 22,049.16 and 8,807.72 is: 12,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.54 : 22,049.16 = 8,807.72 : x
  2. Step 2: Convert to fraction form
    15,977.54/22,049.16 = 8,807.72/x
  3. Step 3: Cross multiply
    15,977.54x = 22,049.16 × 8,807.72
  4. Step 4: Simplify right side
    15,977.54x = 194,202,827.52
  5. Step 5: Solve for x
    x = 194,202,827.52/15,977.54
  6. Step 6: Final answer
    x = 12,154.74

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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.