Home / 15,965.32-23,947.44-4,871.56

Finding the Fourth Proportional to 15,965.32, 23,947.44 and 4,871.56

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Solution

The fourth proportional to 15,965.32, 23,947.44 and 4,871.56 is: 7,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.32 : 23,947.44 = 4,871.56 : x
  2. Step 2: Convert to fraction form
    15,965.32/23,947.44 = 4,871.56/x
  3. Step 3: Cross multiply
    15,965.32x = 23,947.44 × 4,871.56
  4. Step 4: Simplify right side
    15,965.32x = 116,661,390.81
  5. Step 5: Solve for x
    x = 116,661,390.81/15,965.32
  6. Step 6: Final answer
    x = 7,307.18

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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.