Home / 10,156.18-15,228.11-6,641.94

Finding the Fourth Proportional to 10,156.18, 15,228.11 and 6,641.94

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Solution

The fourth proportional to 10,156.18, 15,228.11 and 6,641.94 is: 9,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.18 : 15,228.11 = 6,641.94 : x
  2. Step 2: Convert to fraction form
    10,156.18/15,228.11 = 6,641.94/x
  3. Step 3: Cross multiply
    10,156.18x = 15,228.11 × 6,641.94
  4. Step 4: Simplify right side
    10,156.18x = 101,144,209.54
  5. Step 5: Solve for x
    x = 101,144,209.54/10,156.18
  6. Step 6: Final answer
    x = 9,958.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.