Home / 8,703.06-12,011.76-5,167.50

Finding the Fourth Proportional to 8,703.06, 12,011.76 and 5,167.50

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Solution

The fourth proportional to 8,703.06, 12,011.76 and 5,167.50 is: 7,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.06 : 12,011.76 = 5,167.50 : x
  2. Step 2: Convert to fraction form
    8,703.06/12,011.76 = 5,167.50/x
  3. Step 3: Cross multiply
    8,703.06x = 12,011.76 × 5,167.50
  4. Step 4: Simplify right side
    8,703.06x = 62,070,769.80
  5. Step 5: Solve for x
    x = 62,070,769.80/8,703.06
  6. Step 6: Final answer
    x = 7,132.06

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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.