Home / 10,849.38-14,971.72-6,133.76

Finding the Fourth Proportional to 10,849.38, 14,971.72 and 6,133.76

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Solution

The fourth proportional to 10,849.38, 14,971.72 and 6,133.76 is: 8,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.38 : 14,971.72 = 6,133.76 : x
  2. Step 2: Convert to fraction form
    10,849.38/14,971.72 = 6,133.76/x
  3. Step 3: Cross multiply
    10,849.38x = 14,971.72 × 6,133.76
  4. Step 4: Simplify right side
    10,849.38x = 91,832,937.27
  5. Step 5: Solve for x
    x = 91,832,937.27/10,849.38
  6. Step 6: Final answer
    x = 8,464.35

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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.