Home / 18,295.28-27,442.29-7,758.52

Finding the Fourth Proportional to 18,295.28, 27,442.29 and 7,758.52

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Solution

The fourth proportional to 18,295.28, 27,442.29 and 7,758.52 is: 11,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.28 : 27,442.29 = 7,758.52 : x
  2. Step 2: Convert to fraction form
    18,295.28/27,442.29 = 7,758.52/x
  3. Step 3: Cross multiply
    18,295.28x = 27,442.29 × 7,758.52
  4. Step 4: Simplify right side
    18,295.28x = 212,911,555.81
  5. Step 5: Solve for x
    x = 212,911,555.81/18,295.28
  6. Step 6: Final answer
    x = 11,637.51

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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.