Home / 10,545.32-15,817.65-4,305.39

Finding the Fourth Proportional to 10,545.32, 15,817.65 and 4,305.39

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Solution

The fourth proportional to 10,545.32, 15,817.65 and 4,305.39 is: 6,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.32 : 15,817.65 = 4,305.39 : x
  2. Step 2: Convert to fraction form
    10,545.32/15,817.65 = 4,305.39/x
  3. Step 3: Cross multiply
    10,545.32x = 15,817.65 × 4,305.39
  4. Step 4: Simplify right side
    10,545.32x = 68,101,246.46
  5. Step 5: Solve for x
    x = 68,101,246.46/10,545.32
  6. Step 6: Final answer
    x = 6,457.96

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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.