Home / 9,948.41-13,728.44-5,699.15

Finding the Fourth Proportional to 9,948.41, 13,728.44 and 5,699.15

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Solution

The fourth proportional to 9,948.41, 13,728.44 and 5,699.15 is: 7,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.41 : 13,728.44 = 5,699.15 : x
  2. Step 2: Convert to fraction form
    9,948.41/13,728.44 = 5,699.15/x
  3. Step 3: Cross multiply
    9,948.41x = 13,728.44 × 5,699.15
  4. Step 4: Simplify right side
    9,948.41x = 78,240,341.69
  5. Step 5: Solve for x
    x = 78,240,341.69/9,948.41
  6. Step 6: Final answer
    x = 7,864.61

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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.