Home / 10,088.89-13,922.60-5,551.85

Finding the Fourth Proportional to 10,088.89, 13,922.60 and 5,551.85

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Solution

The fourth proportional to 10,088.89, 13,922.60 and 5,551.85 is: 7,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.89 : 13,922.60 = 5,551.85 : x
  2. Step 2: Convert to fraction form
    10,088.89/13,922.60 = 5,551.85/x
  3. Step 3: Cross multiply
    10,088.89x = 13,922.60 × 5,551.85
  4. Step 4: Simplify right side
    10,088.89x = 77,296,117.20
  5. Step 5: Solve for x
    x = 77,296,117.20/10,088.89
  6. Step 6: Final answer
    x = 7,661.51

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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.