Home / 20,393.64-28,146.06-14,746.62

Finding the Fourth Proportional to 20,393.64, 28,146.06 and 14,746.62

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Solution

The fourth proportional to 20,393.64, 28,146.06 and 14,746.62 is: 20,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.64 : 28,146.06 = 14,746.62 : x
  2. Step 2: Convert to fraction form
    20,393.64/28,146.06 = 14,746.62/x
  3. Step 3: Cross multiply
    20,393.64x = 28,146.06 × 14,746.62
  4. Step 4: Simplify right side
    20,393.64x = 415,059,251.32
  5. Step 5: Solve for x
    x = 415,059,251.32/20,393.64
  6. Step 6: Final answer
    x = 20,352.39

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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.