Home / 20,225.18-30,344.98-10,369.10

Finding the Fourth Proportional to 20,225.18, 30,344.98 and 10,369.10

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Solution

The fourth proportional to 20,225.18, 30,344.98 and 10,369.10 is: 15,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.18 : 30,344.98 = 10,369.10 : x
  2. Step 2: Convert to fraction form
    20,225.18/30,344.98 = 10,369.10/x
  3. Step 3: Cross multiply
    20,225.18x = 30,344.98 × 10,369.10
  4. Step 4: Simplify right side
    20,225.18x = 314,650,132.12
  5. Step 5: Solve for x
    x = 314,650,132.12/20,225.18
  6. Step 6: Final answer
    x = 15,557.35

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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.