Home / 20,264.16-30,397.44-7,117.44

Finding the Fourth Proportional to 20,264.16, 30,397.44 and 7,117.44

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Solution

The fourth proportional to 20,264.16, 30,397.44 and 7,117.44 is: 10,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.16 : 30,397.44 = 7,117.44 : x
  2. Step 2: Convert to fraction form
    20,264.16/30,397.44 = 7,117.44/x
  3. Step 3: Cross multiply
    20,264.16x = 30,397.44 × 7,117.44
  4. Step 4: Simplify right side
    20,264.16x = 216,351,955.35
  5. Step 5: Solve for x
    x = 216,351,955.35/20,264.16
  6. Step 6: Final answer
    x = 10,676.58

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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.