Home / 18,400.84-27,605.56-5,253.40

Finding the Fourth Proportional to 18,400.84, 27,605.56 and 5,253.40

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Solution

The fourth proportional to 18,400.84, 27,605.56 and 5,253.40 is: 7,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.84 : 27,605.56 = 5,253.40 : x
  2. Step 2: Convert to fraction form
    18,400.84/27,605.56 = 5,253.40/x
  3. Step 3: Cross multiply
    18,400.84x = 27,605.56 × 5,253.40
  4. Step 4: Simplify right side
    18,400.84x = 145,023,048.90
  5. Step 5: Solve for x
    x = 145,023,048.90/18,400.84
  6. Step 6: Final answer
    x = 7,881.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.