Home / 15,279.87-22,923.40-4,749.36

Finding the Fourth Proportional to 15,279.87, 22,923.40 and 4,749.36

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Solution

The fourth proportional to 15,279.87, 22,923.40 and 4,749.36 is: 7,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.87 : 22,923.40 = 4,749.36 : x
  2. Step 2: Convert to fraction form
    15,279.87/22,923.40 = 4,749.36/x
  3. Step 3: Cross multiply
    15,279.87x = 22,923.40 × 4,749.36
  4. Step 4: Simplify right side
    15,279.87x = 108,871,479.02
  5. Step 5: Solve for x
    x = 108,871,479.02/15,279.87
  6. Step 6: Final answer
    x = 7,125.16

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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.