Home / 9,911.48-13,677.66-5,435.28

Finding the Fourth Proportional to 9,911.48, 13,677.66 and 5,435.28

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Solution

The fourth proportional to 9,911.48, 13,677.66 and 5,435.28 is: 7,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.48 : 13,677.66 = 5,435.28 : x
  2. Step 2: Convert to fraction form
    9,911.48/13,677.66 = 5,435.28/x
  3. Step 3: Cross multiply
    9,911.48x = 13,677.66 × 5,435.28
  4. Step 4: Simplify right side
    9,911.48x = 74,341,911.84
  5. Step 5: Solve for x
    x = 74,341,911.84/9,911.48
  6. Step 6: Final answer
    x = 7,500.59

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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.