Home / 18,720.23-25,834.96-10,223.14

Finding the Fourth Proportional to 18,720.23, 25,834.96 and 10,223.14

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Solution

The fourth proportional to 18,720.23, 25,834.96 and 10,223.14 is: 14,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720.23 : 25,834.96 = 10,223.14 : x
  2. Step 2: Convert to fraction form
    18,720.23/25,834.96 = 10,223.14/x
  3. Step 3: Cross multiply
    18,720.23x = 25,834.96 × 10,223.14
  4. Step 4: Simplify right side
    18,720.23x = 264,114,232.68
  5. Step 5: Solve for x
    x = 264,114,232.68/18,720.23
  6. Step 6: Final answer
    x = 14,108.50

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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.