Home / 17,020.40-23,478.57-10,212.66

Finding the Fourth Proportional to 17,020.40, 23,478.57 and 10,212.66

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Solution

The fourth proportional to 17,020.40, 23,478.57 and 10,212.66 is: 14,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.40 : 23,478.57 = 10,212.66 : x
  2. Step 2: Convert to fraction form
    17,020.40/23,478.57 = 10,212.66/x
  3. Step 3: Cross multiply
    17,020.40x = 23,478.57 × 10,212.66
  4. Step 4: Simplify right side
    17,020.40x = 239,778,711.39
  5. Step 5: Solve for x
    x = 239,778,711.39/17,020.40
  6. Step 6: Final answer
    x = 14,087.72

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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.