Home / 10,699.19-14,766.91-7,168.53

Finding the Fourth Proportional to 10,699.19, 14,766.91 and 7,168.53

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Solution

The fourth proportional to 10,699.19, 14,766.91 and 7,168.53 is: 9,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.19 : 14,766.91 = 7,168.53 : x
  2. Step 2: Convert to fraction form
    10,699.19/14,766.91 = 7,168.53/x
  3. Step 3: Cross multiply
    10,699.19x = 14,766.91 × 7,168.53
  4. Step 4: Simplify right side
    10,699.19x = 105,857,074.80
  5. Step 5: Solve for x
    x = 105,857,074.80/10,699.19
  6. Step 6: Final answer
    x = 9,893.93

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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.