Home / 11,267.79-15,550.72-6,487.90

Finding the Fourth Proportional to 11,267.79, 15,550.72 and 6,487.90

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Solution

The fourth proportional to 11,267.79, 15,550.72 and 6,487.90 is: 8,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.79 : 15,550.72 = 6,487.90 : x
  2. Step 2: Convert to fraction form
    11,267.79/15,550.72 = 6,487.90/x
  3. Step 3: Cross multiply
    11,267.79x = 15,550.72 × 6,487.90
  4. Step 4: Simplify right side
    11,267.79x = 100,891,461.19
  5. Step 5: Solve for x
    x = 100,891,461.19/11,267.79
  6. Step 6: Final answer
    x = 8,953.97

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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.