Home / 9,699.75-13,385.66-5,283.75

Finding the Fourth Proportional to 9,699.75, 13,385.66 and 5,283.75

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Solution

The fourth proportional to 9,699.75, 13,385.66 and 5,283.75 is: 7,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.75 : 13,385.66 = 5,283.75 : x
  2. Step 2: Convert to fraction form
    9,699.75/13,385.66 = 5,283.75/x
  3. Step 3: Cross multiply
    9,699.75x = 13,385.66 × 5,283.75
  4. Step 4: Simplify right side
    9,699.75x = 70,726,454.61
  5. Step 5: Solve for x
    x = 70,726,454.61/9,699.75
  6. Step 6: Final answer
    x = 7,291.58

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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.