Home / 20,210.04-30,297.78-13,269.24

Finding the Fourth Proportional to 20,210.04, 30,297.78 and 13,269.24

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Solution

The fourth proportional to 20,210.04, 30,297.78 and 13,269.24 is: 19,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.04 : 30,297.78 = 13,269.24 : x
  2. Step 2: Convert to fraction form
    20,210.04/30,297.78 = 13,269.24/x
  3. Step 3: Cross multiply
    20,210.04x = 30,297.78 × 13,269.24
  4. Step 4: Simplify right side
    20,210.04x = 402,028,514.29
  5. Step 5: Solve for x
    x = 402,028,514.29/20,210.04
  6. Step 6: Final answer
    x = 19,892.51

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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.