Home / 20,393.13-28,145.37-14,746.11

Finding the Fourth Proportional to 20,393.13, 28,145.37 and 14,746.11

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Solution

The fourth proportional to 20,393.13, 28,145.37 and 14,746.11 is: 20,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.13 : 28,145.37 = 14,746.11 : x
  2. Step 2: Convert to fraction form
    20,393.13/28,145.37 = 14,746.11/x
  3. Step 3: Cross multiply
    20,393.13x = 28,145.37 × 14,746.11
  4. Step 4: Simplify right side
    20,393.13x = 415,034,722.01
  5. Step 5: Solve for x
    x = 415,034,722.01/20,393.13
  6. Step 6: Final answer
    x = 20,351.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.