Home / 18,699.42-25,752.69-18,291.18

Finding the Fourth Proportional to 18,699.42, 25,752.69 and 18,291.18

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Solution

The fourth proportional to 18,699.42, 25,752.69 and 18,291.18 is: 25,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.42 : 25,752.69 = 18,291.18 : x
  2. Step 2: Convert to fraction form
    18,699.42/25,752.69 = 18,291.18/x
  3. Step 3: Cross multiply
    18,699.42x = 25,752.69 × 18,291.18
  4. Step 4: Simplify right side
    18,699.42x = 471,047,088.27
  5. Step 5: Solve for x
    x = 471,047,088.27/18,699.42
  6. Step 6: Final answer
    x = 25,190.47

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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.