Home / 20,714.93-31,055.51-9,628.59

Finding the Fourth Proportional to 20,714.93, 31,055.51 and 9,628.59

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Solution

The fourth proportional to 20,714.93, 31,055.51 and 9,628.59 is: 14,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.93 : 31,055.51 = 9,628.59 : x
  2. Step 2: Convert to fraction form
    20,714.93/31,055.51 = 9,628.59/x
  3. Step 3: Cross multiply
    20,714.93x = 31,055.51 × 9,628.59
  4. Step 4: Simplify right side
    20,714.93x = 299,020,874.74
  5. Step 5: Solve for x
    x = 299,020,874.74/20,714.93
  6. Step 6: Final answer
    x = 14,435.04

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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.