Home / 18,836.04-28,258.68-13,300.20

Finding the Fourth Proportional to 18,836.04, 28,258.68 and 13,300.20

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Solution

The fourth proportional to 18,836.04, 28,258.68 and 13,300.20 is: 19,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.04 : 28,258.68 = 13,300.20 : x
  2. Step 2: Convert to fraction form
    18,836.04/28,258.68 = 13,300.20/x
  3. Step 3: Cross multiply
    18,836.04x = 28,258.68 × 13,300.20
  4. Step 4: Simplify right side
    18,836.04x = 375,846,095.74
  5. Step 5: Solve for x
    x = 375,846,095.74/18,836.04
  6. Step 6: Final answer
    x = 19,953.56

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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.