Home / 10,971.86-16,457.75-4,402.65

Finding the Fourth Proportional to 10,971.86, 16,457.75 and 4,402.65

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Solution

The fourth proportional to 10,971.86, 16,457.75 and 4,402.65 is: 6,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.86 : 16,457.75 = 4,402.65 : x
  2. Step 2: Convert to fraction form
    10,971.86/16,457.75 = 4,402.65/x
  3. Step 3: Cross multiply
    10,971.86x = 16,457.75 × 4,402.65
  4. Step 4: Simplify right side
    10,971.86x = 72,457,769.25
  5. Step 5: Solve for x
    x = 72,457,769.25/10,971.86
  6. Step 6: Final answer
    x = 6,603.97

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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.