Home / 15,278.56-22,920.27-6,513.55

Finding the Fourth Proportional to 15,278.56, 22,920.27 and 6,513.55

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Solution

The fourth proportional to 15,278.56, 22,920.27 and 6,513.55 is: 9,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.56 : 22,920.27 = 6,513.55 : x
  2. Step 2: Convert to fraction form
    15,278.56/22,920.27 = 6,513.55/x
  3. Step 3: Cross multiply
    15,278.56x = 22,920.27 × 6,513.55
  4. Step 4: Simplify right side
    15,278.56x = 149,292,242.93
  5. Step 5: Solve for x
    x = 149,292,242.93/15,278.56
  6. Step 6: Final answer
    x = 9,771.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.