Home / 20,254.05-30,353.13-9,730.53

Finding the Fourth Proportional to 20,254.05, 30,353.13 and 9,730.53

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Solution

The fourth proportional to 20,254.05, 30,353.13 and 9,730.53 is: 14,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.05 : 30,353.13 = 9,730.53 : x
  2. Step 2: Convert to fraction form
    20,254.05/30,353.13 = 9,730.53/x
  3. Step 3: Cross multiply
    20,254.05x = 30,353.13 × 9,730.53
  4. Step 4: Simplify right side
    20,254.05x = 295,352,042.06
  5. Step 5: Solve for x
    x = 295,352,042.06/20,254.05
  6. Step 6: Final answer
    x = 14,582.37

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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.