Home / 15,278.76-22,934.52-12,840.48

Finding the Fourth Proportional to 15,278.76, 22,934.52 and 12,840.48

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Solution

The fourth proportional to 15,278.76, 22,934.52 and 12,840.48 is: 19,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.76 : 22,934.52 = 12,840.48 : x
  2. Step 2: Convert to fraction form
    15,278.76/22,934.52 = 12,840.48/x
  3. Step 3: Cross multiply
    15,278.76x = 22,934.52 × 12,840.48
  4. Step 4: Simplify right side
    15,278.76x = 294,490,245.37
  5. Step 5: Solve for x
    x = 294,490,245.37/15,278.76
  6. Step 6: Final answer
    x = 19,274.49

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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.