Home / 23,018.78-34,528.18-9,177.50

Finding the Fourth Proportional to 23,018.78, 34,528.18 and 9,177.50

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Solution

The fourth proportional to 23,018.78, 34,528.18 and 9,177.50 is: 13,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.78 : 34,528.18 = 9,177.50 : x
  2. Step 2: Convert to fraction form
    23,018.78/34,528.18 = 9,177.50/x
  3. Step 3: Cross multiply
    23,018.78x = 34,528.18 × 9,177.50
  4. Step 4: Simplify right side
    23,018.78x = 316,882,371.95
  5. Step 5: Solve for x
    x = 316,882,371.95/23,018.78
  6. Step 6: Final answer
    x = 13,766.25

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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.