Home / 20,264.15-30,397.44-7,117.45

Finding the Fourth Proportional to 20,264.15, 30,397.44 and 7,117.45

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Solution

The fourth proportional to 20,264.15, 30,397.44 and 7,117.45 is: 10,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.15 : 30,397.44 = 7,117.45 : x
  2. Step 2: Convert to fraction form
    20,264.15/30,397.44 = 7,117.45/x
  3. Step 3: Cross multiply
    20,264.15x = 30,397.44 × 7,117.45
  4. Step 4: Simplify right side
    20,264.15x = 216,352,259.33
  5. Step 5: Solve for x
    x = 216,352,259.33/20,264.15
  6. Step 6: Final answer
    x = 10,676.60

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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.