Home / 18,622.96-25,699.46-13,864.16

Finding the Fourth Proportional to 18,622.96, 25,699.46 and 13,864.16

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Solution

The fourth proportional to 18,622.96, 25,699.46 and 13,864.16 is: 19,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.96 : 25,699.46 = 13,864.16 : x
  2. Step 2: Convert to fraction form
    18,622.96/25,699.46 = 13,864.16/x
  3. Step 3: Cross multiply
    18,622.96x = 25,699.46 × 13,864.16
  4. Step 4: Simplify right side
    18,622.96x = 356,301,420.28
  5. Step 5: Solve for x
    x = 356,301,420.28/18,622.96
  6. Step 6: Final answer
    x = 19,132.38

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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.