Home / 12,543.03-17,309.49-6,877.83

Finding the Fourth Proportional to 12,543.03, 17,309.49 and 6,877.83

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Solution

The fourth proportional to 12,543.03, 17,309.49 and 6,877.83 is: 9,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.03 : 17,309.49 = 6,877.83 : x
  2. Step 2: Convert to fraction form
    12,543.03/17,309.49 = 6,877.83/x
  3. Step 3: Cross multiply
    12,543.03x = 17,309.49 × 6,877.83
  4. Step 4: Simplify right side
    12,543.03x = 119,051,729.61
  5. Step 5: Solve for x
    x = 119,051,729.61/12,543.03
  6. Step 6: Final answer
    x = 9,491.46

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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.