Home / 14,478.32-21,714.96-6,686.48

Finding the Fourth Proportional to 14,478.32, 21,714.96 and 6,686.48

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Solution

The fourth proportional to 14,478.32, 21,714.96 and 6,686.48 is: 10,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.32 : 21,714.96 = 6,686.48 : x
  2. Step 2: Convert to fraction form
    14,478.32/21,714.96 = 6,686.48/x
  3. Step 3: Cross multiply
    14,478.32x = 21,714.96 × 6,686.48
  4. Step 4: Simplify right side
    14,478.32x = 145,196,645.74
  5. Step 5: Solve for x
    x = 145,196,645.74/14,478.32
  6. Step 6: Final answer
    x = 10,028.56

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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.