Home / 10,278.34-15,327.26-10,184.79

Finding the Fourth Proportional to 10,278.34, 15,327.26 and 10,184.79

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Solution

The fourth proportional to 10,278.34, 15,327.26 and 10,184.79 is: 15,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.34 : 15,327.26 = 10,184.79 : x
  2. Step 2: Convert to fraction form
    10,278.34/15,327.26 = 10,184.79/x
  3. Step 3: Cross multiply
    10,278.34x = 15,327.26 × 10,184.79
  4. Step 4: Simplify right side
    10,278.34x = 156,104,924.38
  5. Step 5: Solve for x
    x = 156,104,924.38/10,278.34
  6. Step 6: Final answer
    x = 15,187.76

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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.