Home / 18,031.74-27,047.61-13,417.98

Finding the Fourth Proportional to 18,031.74, 27,047.61 and 13,417.98

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Solution

The fourth proportional to 18,031.74, 27,047.61 and 13,417.98 is: 20,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.74 : 27,047.61 = 13,417.98 : x
  2. Step 2: Convert to fraction form
    18,031.74/27,047.61 = 13,417.98/x
  3. Step 3: Cross multiply
    18,031.74x = 27,047.61 × 13,417.98
  4. Step 4: Simplify right side
    18,031.74x = 362,924,290.03
  5. Step 5: Solve for x
    x = 362,924,290.03/18,031.74
  6. Step 6: Final answer
    x = 20,126.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.