Home / 11,061.57-15,265.40-6,346.74

Finding the Fourth Proportional to 11,061.57, 15,265.40 and 6,346.74

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Solution

The fourth proportional to 11,061.57, 15,265.40 and 6,346.74 is: 8,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.57 : 15,265.40 = 6,346.74 : x
  2. Step 2: Convert to fraction form
    11,061.57/15,265.40 = 6,346.74/x
  3. Step 3: Cross multiply
    11,061.57x = 15,265.40 × 6,346.74
  4. Step 4: Simplify right side
    11,061.57x = 96,885,493.06
  5. Step 5: Solve for x
    x = 96,885,493.06/11,061.57
  6. Step 6: Final answer
    x = 8,758.75

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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.