Home / 20,121.36-30,182.67-9,592.53

Finding the Fourth Proportional to 20,121.36, 30,182.67 and 9,592.53

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Solution

The fourth proportional to 20,121.36, 30,182.67 and 9,592.53 is: 14,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121.36 : 30,182.67 = 9,592.53 : x
  2. Step 2: Convert to fraction form
    20,121.36/30,182.67 = 9,592.53/x
  3. Step 3: Cross multiply
    20,121.36x = 30,182.67 × 9,592.53
  4. Step 4: Simplify right side
    20,121.36x = 289,528,167.46
  5. Step 5: Solve for x
    x = 289,528,167.46/20,121.36
  6. Step 6: Final answer
    x = 14,389.10

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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.