Home / 9,881.07-13,636.11-5,901.45

Finding the Fourth Proportional to 9,881.07, 13,636.11 and 5,901.45

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Solution

The fourth proportional to 9,881.07, 13,636.11 and 5,901.45 is: 8,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.07 : 13,636.11 = 5,901.45 : x
  2. Step 2: Convert to fraction form
    9,881.07/13,636.11 = 5,901.45/x
  3. Step 3: Cross multiply
    9,881.07x = 13,636.11 × 5,901.45
  4. Step 4: Simplify right side
    9,881.07x = 80,472,821.36
  5. Step 5: Solve for x
    x = 80,472,821.36/9,881.07
  6. Step 6: Final answer
    x = 8,144.14

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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.