Home / 10,219.92-15,326.63-4,374.96

Finding the Fourth Proportional to 10,219.92, 15,326.63 and 4,374.96

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Solution

The fourth proportional to 10,219.92, 15,326.63 and 4,374.96 is: 6,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.92 : 15,326.63 = 4,374.96 : x
  2. Step 2: Convert to fraction form
    10,219.92/15,326.63 = 4,374.96/x
  3. Step 3: Cross multiply
    10,219.92x = 15,326.63 × 4,374.96
  4. Step 4: Simplify right side
    10,219.92x = 67,053,327.49
  5. Step 5: Solve for x
    x = 67,053,327.49/10,219.92
  6. Step 6: Final answer
    x = 6,561.05

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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.