Home / 12,799.40-17,661.96-9,444.08

Finding the Fourth Proportional to 12,799.40, 17,661.96 and 9,444.08

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Solution

The fourth proportional to 12,799.40, 17,661.96 and 9,444.08 is: 13,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.40 : 17,661.96 = 9,444.08 : x
  2. Step 2: Convert to fraction form
    12,799.40/17,661.96 = 9,444.08/x
  3. Step 3: Cross multiply
    12,799.40x = 17,661.96 × 9,444.08
  4. Step 4: Simplify right side
    12,799.40x = 166,800,963.20
  5. Step 5: Solve for x
    x = 166,800,963.20/12,799.40
  6. Step 6: Final answer
    x = 13,031.94

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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.