Home / 9,531.12-13,153.77-5,552.61

Finding the Fourth Proportional to 9,531.12, 13,153.77 and 5,552.61

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Solution

The fourth proportional to 9,531.12, 13,153.77 and 5,552.61 is: 7,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.12 : 13,153.77 = 5,552.61 : x
  2. Step 2: Convert to fraction form
    9,531.12/13,153.77 = 5,552.61/x
  3. Step 3: Cross multiply
    9,531.12x = 13,153.77 × 5,552.61
  4. Step 4: Simplify right side
    9,531.12x = 73,037,754.84
  5. Step 5: Solve for x
    x = 73,037,754.84/9,531.12
  6. Step 6: Final answer
    x = 7,663.08

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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.