Home / 11,113.91-15,337.61-6,077.84

Finding the Fourth Proportional to 11,113.91, 15,337.61 and 6,077.84

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Solution

The fourth proportional to 11,113.91, 15,337.61 and 6,077.84 is: 8,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.91 : 15,337.61 = 6,077.84 : x
  2. Step 2: Convert to fraction form
    11,113.91/15,337.61 = 6,077.84/x
  3. Step 3: Cross multiply
    11,113.91x = 15,337.61 × 6,077.84
  4. Step 4: Simplify right side
    11,113.91x = 93,219,478.07
  5. Step 5: Solve for x
    x = 93,219,478.07/11,113.91
  6. Step 6: Final answer
    x = 8,387.64

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Double scale
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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.