Home / 20,079.19-30,097.04-8,970.58

Finding the Fourth Proportional to 20,079.19, 30,097.04 and 8,970.58

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Solution

The fourth proportional to 20,079.19, 30,097.04 and 8,970.58 is: 13,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.19 : 30,097.04 = 8,970.58 : x
  2. Step 2: Convert to fraction form
    20,079.19/30,097.04 = 8,970.58/x
  3. Step 3: Cross multiply
    20,079.19x = 30,097.04 × 8,970.58
  4. Step 4: Simplify right side
    20,079.19x = 269,987,784.99
  5. Step 5: Solve for x
    x = 269,987,784.99/20,079.19
  6. Step 6: Final answer
    x = 13,446.15

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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.