Home / 18,309.08-25,266.28-10,353.88

Finding the Fourth Proportional to 18,309.08, 25,266.28 and 10,353.88

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Solution

The fourth proportional to 18,309.08, 25,266.28 and 10,353.88 is: 14,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.08 : 25,266.28 = 10,353.88 : x
  2. Step 2: Convert to fraction form
    18,309.08/25,266.28 = 10,353.88/x
  3. Step 3: Cross multiply
    18,309.08x = 25,266.28 × 10,353.88
  4. Step 4: Simplify right side
    18,309.08x = 261,604,031.17
  5. Step 5: Solve for x
    x = 261,604,031.17/18,309.08
  6. Step 6: Final answer
    x = 14,288.21

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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.