Home / 15,614.88-23,364.72-9,378.72

Finding the Fourth Proportional to 15,614.88, 23,364.72 and 9,378.72

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Solution

The fourth proportional to 15,614.88, 23,364.72 and 9,378.72 is: 14,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.88 : 23,364.72 = 9,378.72 : x
  2. Step 2: Convert to fraction form
    15,614.88/23,364.72 = 9,378.72/x
  3. Step 3: Cross multiply
    15,614.88x = 23,364.72 × 9,378.72
  4. Step 4: Simplify right side
    15,614.88x = 219,131,166.76
  5. Step 5: Solve for x
    x = 219,131,166.76/15,614.88
  6. Step 6: Final answer
    x = 14,033.48

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1.5x scale

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.