Home / 14,717.52-20,317.70-11,352.78

Finding the Fourth Proportional to 14,717.52, 20,317.70 and 11,352.78

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Solution

The fourth proportional to 14,717.52, 20,317.70 and 11,352.78 is: 15,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.52 : 20,317.70 = 11,352.78 : x
  2. Step 2: Convert to fraction form
    14,717.52/20,317.70 = 11,352.78/x
  3. Step 3: Cross multiply
    14,717.52x = 20,317.70 × 11,352.78
  4. Step 4: Simplify right side
    14,717.52x = 230,662,406.59
  5. Step 5: Solve for x
    x = 230,662,406.59/14,717.52
  6. Step 6: Final answer
    x = 15,672.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.