Home / 17,518.32-26,211.60-10,472.40

Finding the Fourth Proportional to 17,518.32, 26,211.60 and 10,472.40

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Solution

The fourth proportional to 17,518.32, 26,211.60 and 10,472.40 is: 15,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.32 : 26,211.60 = 10,472.40 : x
  2. Step 2: Convert to fraction form
    17,518.32/26,211.60 = 10,472.40/x
  3. Step 3: Cross multiply
    17,518.32x = 26,211.60 × 10,472.40
  4. Step 4: Simplify right side
    17,518.32x = 274,498,359.84
  5. Step 5: Solve for x
    x = 274,498,359.84/17,518.32
  6. Step 6: Final answer
    x = 15,669.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.