Home / 18,223.23-25,155.11-14,245.63

Finding the Fourth Proportional to 18,223.23, 25,155.11 and 14,245.63

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Solution

The fourth proportional to 18,223.23, 25,155.11 and 14,245.63 is: 19,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.23 : 25,155.11 = 14,245.63 : x
  2. Step 2: Convert to fraction form
    18,223.23/25,155.11 = 14,245.63/x
  3. Step 3: Cross multiply
    18,223.23x = 25,155.11 × 14,245.63
  4. Step 4: Simplify right side
    18,223.23x = 358,350,389.67
  5. Step 5: Solve for x
    x = 358,350,389.67/18,223.23
  6. Step 6: Final answer
    x = 19,664.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.