Home / 12,526.20-17,286.12-6,937.20

Finding the Fourth Proportional to 12,526.20, 17,286.12 and 6,937.20

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Solution

The fourth proportional to 12,526.20, 17,286.12 and 6,937.20 is: 9,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.20 : 17,286.12 = 6,937.20 : x
  2. Step 2: Convert to fraction form
    12,526.20/17,286.12 = 6,937.20/x
  3. Step 3: Cross multiply
    12,526.20x = 17,286.12 × 6,937.20
  4. Step 4: Simplify right side
    12,526.20x = 119,917,271.66
  5. Step 5: Solve for x
    x = 119,917,271.66/12,526.20
  6. Step 6: Final answer
    x = 9,573.32

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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.