Home / 10,443.40-15,669.19-4,595.90

Finding the Fourth Proportional to 10,443.40, 15,669.19 and 4,595.90

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Solution

The fourth proportional to 10,443.40, 15,669.19 and 4,595.90 is: 6,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.40 : 15,669.19 = 4,595.90 : x
  2. Step 2: Convert to fraction form
    10,443.40/15,669.19 = 4,595.90/x
  3. Step 3: Cross multiply
    10,443.40x = 15,669.19 × 4,595.90
  4. Step 4: Simplify right side
    10,443.40x = 72,014,080.98
  5. Step 5: Solve for x
    x = 72,014,080.98/10,443.40
  6. Step 6: Final answer
    x = 6,895.66

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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.