Home / 18,862.22-26,031.84-10,478.72

Finding the Fourth Proportional to 18,862.22, 26,031.84 and 10,478.72

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Solution

The fourth proportional to 18,862.22, 26,031.84 and 10,478.72 is: 14,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.22 : 26,031.84 = 10,478.72 : x
  2. Step 2: Convert to fraction form
    18,862.22/26,031.84 = 10,478.72/x
  3. Step 3: Cross multiply
    18,862.22x = 26,031.84 × 10,478.72
  4. Step 4: Simplify right side
    18,862.22x = 272,780,362.44
  5. Step 5: Solve for x
    x = 272,780,362.44/18,862.22
  6. Step 6: Final answer
    x = 14,461.73

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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.