Home / 13,269.32-19,904.19-4,947.61

Finding the Fourth Proportional to 13,269.32, 19,904.19 and 4,947.61

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Solution

The fourth proportional to 13,269.32, 19,904.19 and 4,947.61 is: 7,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.32 : 19,904.19 = 4,947.61 : x
  2. Step 2: Convert to fraction form
    13,269.32/19,904.19 = 4,947.61/x
  3. Step 3: Cross multiply
    13,269.32x = 19,904.19 × 4,947.61
  4. Step 4: Simplify right side
    13,269.32x = 98,478,169.49
  5. Step 5: Solve for x
    x = 98,478,169.49/13,269.32
  6. Step 6: Final answer
    x = 7,421.49

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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.