Home / 18,635.54-27,950.16-5,307.59

Finding the Fourth Proportional to 18,635.54, 27,950.16 and 5,307.59

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Solution

The fourth proportional to 18,635.54, 27,950.16 and 5,307.59 is: 7,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.54 : 27,950.16 = 5,307.59 : x
  2. Step 2: Convert to fraction form
    18,635.54/27,950.16 = 5,307.59/x
  3. Step 3: Cross multiply
    18,635.54x = 27,950.16 × 5,307.59
  4. Step 4: Simplify right side
    18,635.54x = 148,348,079.49
  5. Step 5: Solve for x
    x = 148,348,079.49/18,635.54
  6. Step 6: Final answer
    x = 7,960.49

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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.