Home / 10,023.38-13,827.40-6,621.72

Finding the Fourth Proportional to 10,023.38, 13,827.40 and 6,621.72

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Solution

The fourth proportional to 10,023.38, 13,827.40 and 6,621.72 is: 9,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.38 : 13,827.40 = 6,621.72 : x
  2. Step 2: Convert to fraction form
    10,023.38/13,827.40 = 6,621.72/x
  3. Step 3: Cross multiply
    10,023.38x = 13,827.40 × 6,621.72
  4. Step 4: Simplify right side
    10,023.38x = 91,561,206.43
  5. Step 5: Solve for x
    x = 91,561,206.43/10,023.38
  6. Step 6: Final answer
    x = 9,134.76

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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.