Home / 10,901.16-16,359.98-4,327.90

Finding the Fourth Proportional to 10,901.16, 16,359.98 and 4,327.90

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Solution

The fourth proportional to 10,901.16, 16,359.98 and 4,327.90 is: 6,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.16 : 16,359.98 = 4,327.90 : x
  2. Step 2: Convert to fraction form
    10,901.16/16,359.98 = 4,327.90/x
  3. Step 3: Cross multiply
    10,901.16x = 16,359.98 × 4,327.90
  4. Step 4: Simplify right side
    10,901.16x = 70,804,357.44
  5. Step 5: Solve for x
    x = 70,804,357.44/10,901.16
  6. Step 6: Final answer
    x = 6,495.12

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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.