Home / 8,967.11-12,372.35-5,429.63

Finding the Fourth Proportional to 8,967.11, 12,372.35 and 5,429.63

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Solution

The fourth proportional to 8,967.11, 12,372.35 and 5,429.63 is: 7,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.11 : 12,372.35 = 5,429.63 : x
  2. Step 2: Convert to fraction form
    8,967.11/12,372.35 = 5,429.63/x
  3. Step 3: Cross multiply
    8,967.11x = 12,372.35 × 5,429.63
  4. Step 4: Simplify right side
    8,967.11x = 67,177,286.51
  5. Step 5: Solve for x
    x = 67,177,286.51/8,967.11
  6. Step 6: Final answer
    x = 7,491.52

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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.