Home / 18,885.22-26,060.33-10,818.90

Finding the Fourth Proportional to 18,885.22, 26,060.33 and 10,818.90

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Solution

The fourth proportional to 18,885.22, 26,060.33 and 10,818.90 is: 14,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.22 : 26,060.33 = 10,818.90 : x
  2. Step 2: Convert to fraction form
    18,885.22/26,060.33 = 10,818.90/x
  3. Step 3: Cross multiply
    18,885.22x = 26,060.33 × 10,818.90
  4. Step 4: Simplify right side
    18,885.22x = 281,944,050.14
  5. Step 5: Solve for x
    x = 281,944,050.14/18,885.22
  6. Step 6: Final answer
    x = 14,929.35

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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.