Home / 22,718.25-31,350.85-12,646.67

Finding the Fourth Proportional to 22,718.25, 31,350.85 and 12,646.67

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Solution

The fourth proportional to 22,718.25, 31,350.85 and 12,646.67 is: 17,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.25 : 31,350.85 = 12,646.67 : x
  2. Step 2: Convert to fraction form
    22,718.25/31,350.85 = 12,646.67/x
  3. Step 3: Cross multiply
    22,718.25x = 31,350.85 × 12,646.67
  4. Step 4: Simplify right side
    22,718.25x = 396,483,900.93
  5. Step 5: Solve for x
    x = 396,483,900.93/22,718.25
  6. Step 6: Final answer
    x = 17,452.22

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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.