Home / 12,926.16-17,835.84-7,336.08

Finding the Fourth Proportional to 12,926.16, 17,835.84 and 7,336.08

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Solution

The fourth proportional to 12,926.16, 17,835.84 and 7,336.08 is: 10,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.16 : 17,835.84 = 7,336.08 : x
  2. Step 2: Convert to fraction form
    12,926.16/17,835.84 = 7,336.08/x
  3. Step 3: Cross multiply
    12,926.16x = 17,835.84 × 7,336.08
  4. Step 4: Simplify right side
    12,926.16x = 130,845,149.11
  5. Step 5: Solve for x
    x = 130,845,149.11/12,926.16
  6. Step 6: Final answer
    x = 10,122.51

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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.