Home / 15,117.27-20,863.52-9,152.23

Finding the Fourth Proportional to 15,117.27, 20,863.52 and 9,152.23

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Solution

The fourth proportional to 15,117.27, 20,863.52 and 9,152.23 is: 12,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.27 : 20,863.52 = 9,152.23 : x
  2. Step 2: Convert to fraction form
    15,117.27/20,863.52 = 9,152.23/x
  3. Step 3: Cross multiply
    15,117.27x = 20,863.52 × 9,152.23
  4. Step 4: Simplify right side
    15,117.27x = 190,947,583.57
  5. Step 5: Solve for x
    x = 190,947,583.57/15,117.27
  6. Step 6: Final answer
    x = 12,631.09

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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.