Home / 18,291.66-25,242.46-9,908.16

Finding the Fourth Proportional to 18,291.66, 25,242.46 and 9,908.16

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Solution

The fourth proportional to 18,291.66, 25,242.46 and 9,908.16 is: 13,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.66 : 25,242.46 = 9,908.16 : x
  2. Step 2: Convert to fraction form
    18,291.66/25,242.46 = 9,908.16/x
  3. Step 3: Cross multiply
    18,291.66x = 25,242.46 × 9,908.16
  4. Step 4: Simplify right side
    18,291.66x = 250,106,332.47
  5. Step 5: Solve for x
    x = 250,106,332.47/18,291.66
  6. Step 6: Final answer
    x = 13,673.24

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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.