Home / 12,621.27-17,417.25-6,956.25

Finding the Fourth Proportional to 12,621.27, 17,417.25 and 6,956.25

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Solution

The fourth proportional to 12,621.27, 17,417.25 and 6,956.25 is: 9,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.27 : 17,417.25 = 6,956.25 : x
  2. Step 2: Convert to fraction form
    12,621.27/17,417.25 = 6,956.25/x
  3. Step 3: Cross multiply
    12,621.27x = 17,417.25 × 6,956.25
  4. Step 4: Simplify right side
    12,621.27x = 121,158,745.31
  5. Step 5: Solve for x
    x = 121,158,745.31/12,621.27
  6. Step 6: Final answer
    x = 9,599.57

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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.