Home / 12,467.27-17,206.35-9,108.40

Finding the Fourth Proportional to 12,467.27, 17,206.35 and 9,108.40

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Solution

The fourth proportional to 12,467.27, 17,206.35 and 9,108.40 is: 12,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.27 : 17,206.35 = 9,108.40 : x
  2. Step 2: Convert to fraction form
    12,467.27/17,206.35 = 9,108.40/x
  3. Step 3: Cross multiply
    12,467.27x = 17,206.35 × 9,108.40
  4. Step 4: Simplify right side
    12,467.27x = 156,722,315.81
  5. Step 5: Solve for x
    x = 156,722,315.81/12,467.27
  6. Step 6: Final answer
    x = 12,570.70

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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.