Home / 16,947.39-23,386.80-9,290.64

Finding the Fourth Proportional to 16,947.39, 23,386.80 and 9,290.64

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Solution

The fourth proportional to 16,947.39, 23,386.80 and 9,290.64 is: 12,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.39 : 23,386.80 = 9,290.64 : x
  2. Step 2: Convert to fraction form
    16,947.39/23,386.80 = 9,290.64/x
  3. Step 3: Cross multiply
    16,947.39x = 23,386.80 × 9,290.64
  4. Step 4: Simplify right side
    16,947.39x = 217,278,339.55
  5. Step 5: Solve for x
    x = 217,278,339.55/16,947.39
  6. Step 6: Final answer
    x = 12,820.76

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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.