Home / 14,622.53-20,155.38-11,430.18

Finding the Fourth Proportional to 14,622.53, 20,155.38 and 11,430.18

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Solution

The fourth proportional to 14,622.53, 20,155.38 and 11,430.18 is: 15,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.53 : 20,155.38 = 11,430.18 : x
  2. Step 2: Convert to fraction form
    14,622.53/20,155.38 = 11,430.18/x
  3. Step 3: Cross multiply
    14,622.53x = 20,155.38 × 11,430.18
  4. Step 4: Simplify right side
    14,622.53x = 230,379,621.37
  5. Step 5: Solve for x
    x = 230,379,621.37/14,622.53
  6. Step 6: Final answer
    x = 15,755.12

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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.