Home / 12,549.13-17,317.95-6,883.72

Finding the Fourth Proportional to 12,549.13, 17,317.95 and 6,883.72

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Solution

The fourth proportional to 12,549.13, 17,317.95 and 6,883.72 is: 9,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.13 : 17,317.95 = 6,883.72 : x
  2. Step 2: Convert to fraction form
    12,549.13/17,317.95 = 6,883.72/x
  3. Step 3: Cross multiply
    12,549.13x = 17,317.95 × 6,883.72
  4. Step 4: Simplify right side
    12,549.13x = 119,211,918.77
  5. Step 5: Solve for x
    x = 119,211,918.77/12,549.13
  6. Step 6: Final answer
    x = 9,499.62

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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.