Home / 10,235.98-15,279.24-8,784.46

Finding the Fourth Proportional to 10,235.98, 15,279.24 and 8,784.46

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Solution

The fourth proportional to 10,235.98, 15,279.24 and 8,784.46 is: 13,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.98 : 15,279.24 = 8,784.46 : x
  2. Step 2: Convert to fraction form
    10,235.98/15,279.24 = 8,784.46/x
  3. Step 3: Cross multiply
    10,235.98x = 15,279.24 × 8,784.46
  4. Step 4: Simplify right side
    10,235.98x = 134,219,872.61
  5. Step 5: Solve for x
    x = 134,219,872.61/10,235.98
  6. Step 6: Final answer
    x = 13,112.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.