Home / 10,720.26-14,801.67-6,948.90

Finding the Fourth Proportional to 10,720.26, 14,801.67 and 6,948.90

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Solution

The fourth proportional to 10,720.26, 14,801.67 and 6,948.90 is: 9,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.26 : 14,801.67 = 6,948.90 : x
  2. Step 2: Convert to fraction form
    10,720.26/14,801.67 = 6,948.90/x
  3. Step 3: Cross multiply
    10,720.26x = 14,801.67 × 6,948.90
  4. Step 4: Simplify right side
    10,720.26x = 102,855,324.66
  5. Step 5: Solve for x
    x = 102,855,324.66/10,720.26
  6. Step 6: Final answer
    x = 9,594.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.