Home / 10,707.40-16,062.63-3,312.49

Finding the Fourth Proportional to 10,707.40, 16,062.63 and 3,312.49

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Solution

The fourth proportional to 10,707.40, 16,062.63 and 3,312.49 is: 4,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.40 : 16,062.63 = 3,312.49 : x
  2. Step 2: Convert to fraction form
    10,707.40/16,062.63 = 3,312.49/x
  3. Step 3: Cross multiply
    10,707.40x = 16,062.63 × 3,312.49
  4. Step 4: Simplify right side
    10,707.40x = 53,207,301.25
  5. Step 5: Solve for x
    x = 53,207,301.25/10,707.40
  6. Step 6: Final answer
    x = 4,969.21

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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.