Home / 18,854.35-26,020.16-10,470.85

Finding the Fourth Proportional to 18,854.35, 26,020.16 and 10,470.85

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Solution

The fourth proportional to 18,854.35, 26,020.16 and 10,470.85 is: 14,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.35 : 26,020.16 = 10,470.85 : x
  2. Step 2: Convert to fraction form
    18,854.35/26,020.16 = 10,470.85/x
  3. Step 3: Cross multiply
    18,854.35x = 26,020.16 × 10,470.85
  4. Step 4: Simplify right side
    18,854.35x = 272,453,192.34
  5. Step 5: Solve for x
    x = 272,453,192.34/18,854.35
  6. Step 6: Final answer
    x = 14,450.42

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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.