Home / 9,910.86-13,677.08-5,434.49

Finding the Fourth Proportional to 9,910.86, 13,677.08 and 5,434.49

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Solution

The fourth proportional to 9,910.86, 13,677.08 and 5,434.49 is: 7,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.86 : 13,677.08 = 5,434.49 : x
  2. Step 2: Convert to fraction form
    9,910.86/13,677.08 = 5,434.49/x
  3. Step 3: Cross multiply
    9,910.86x = 13,677.08 × 5,434.49
  4. Step 4: Simplify right side
    9,910.86x = 74,327,954.49
  5. Step 5: Solve for x
    x = 74,327,954.49/9,910.86
  6. Step 6: Final answer
    x = 7,499.65

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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.