Home / 12,549.08-17,317.43-6,883.78

Finding the Fourth Proportional to 12,549.08, 17,317.43 and 6,883.78

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Solution

The fourth proportional to 12,549.08, 17,317.43 and 6,883.78 is: 9,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.08 : 17,317.43 = 6,883.78 : x
  2. Step 2: Convert to fraction form
    12,549.08/17,317.43 = 6,883.78/x
  3. Step 3: Cross multiply
    12,549.08x = 17,317.43 × 6,883.78
  4. Step 4: Simplify right side
    12,549.08x = 119,209,300.57
  5. Step 5: Solve for x
    x = 119,209,300.57/12,549.08
  6. Step 6: Final answer
    x = 9,499.45

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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.