Home / 9,699.80-14,549.69-5,314.86

Finding the Fourth Proportional to 9,699.80, 14,549.69 and 5,314.86

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Solution

The fourth proportional to 9,699.80, 14,549.69 and 5,314.86 is: 7,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.80 : 14,549.69 = 5,314.86 : x
  2. Step 2: Convert to fraction form
    9,699.80/14,549.69 = 5,314.86/x
  3. Step 3: Cross multiply
    9,699.80x = 14,549.69 × 5,314.86
  4. Step 4: Simplify right side
    9,699.80x = 77,329,578.68
  5. Step 5: Solve for x
    x = 77,329,578.68/9,699.80
  6. Step 6: Final answer
    x = 7,972.29

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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.