Home / 13,401.38-18,476.90-9,577.58

Finding the Fourth Proportional to 13,401.38, 18,476.90 and 9,577.58

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Solution

The fourth proportional to 13,401.38, 18,476.90 and 9,577.58 is: 13,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.38 : 18,476.90 = 9,577.58 : x
  2. Step 2: Convert to fraction form
    13,401.38/18,476.90 = 9,577.58/x
  3. Step 3: Cross multiply
    13,401.38x = 18,476.90 × 9,577.58
  4. Step 4: Simplify right side
    13,401.38x = 176,963,987.90
  5. Step 5: Solve for x
    x = 176,963,987.90/13,401.38
  6. Step 6: Final answer
    x = 13,204.91

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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.