Home / 8,707.04-12,010.24-5,167.76

Finding the Fourth Proportional to 8,707.04, 12,010.24 and 5,167.76

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Solution

The fourth proportional to 8,707.04, 12,010.24 and 5,167.76 is: 7,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.04 : 12,010.24 = 5,167.76 : x
  2. Step 2: Convert to fraction form
    8,707.04/12,010.24 = 5,167.76/x
  3. Step 3: Cross multiply
    8,707.04x = 12,010.24 × 5,167.76
  4. Step 4: Simplify right side
    8,707.04x = 62,066,037.86
  5. Step 5: Solve for x
    x = 62,066,037.86/8,707.04
  6. Step 6: Final answer
    x = 7,128.26

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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.