Home / 16,818.15-23,209.20-9,264.51

Finding the Fourth Proportional to 16,818.15, 23,209.20 and 9,264.51

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Solution

The fourth proportional to 16,818.15, 23,209.20 and 9,264.51 is: 12,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.15 : 23,209.20 = 9,264.51 : x
  2. Step 2: Convert to fraction form
    16,818.15/23,209.20 = 9,264.51/x
  3. Step 3: Cross multiply
    16,818.15x = 23,209.20 × 9,264.51
  4. Step 4: Simplify right side
    16,818.15x = 215,021,865.49
  5. Step 5: Solve for x
    x = 215,021,865.49/16,818.15
  6. Step 6: Final answer
    x = 12,785.11

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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.