Home / 10,225.01-15,329.73-3,989.40

Finding the Fourth Proportional to 10,225.01, 15,329.73 and 3,989.40

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Solution

The fourth proportional to 10,225.01, 15,329.73 and 3,989.40 is: 5,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.01 : 15,329.73 = 3,989.40 : x
  2. Step 2: Convert to fraction form
    10,225.01/15,329.73 = 3,989.40/x
  3. Step 3: Cross multiply
    10,225.01x = 15,329.73 × 3,989.40
  4. Step 4: Simplify right side
    10,225.01x = 61,156,424.86
  5. Step 5: Solve for x
    x = 61,156,424.86/10,225.01
  6. Step 6: Final answer
    x = 5,981.06

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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.