Home / 18,119.64-25,001.60-10,948.08

Finding the Fourth Proportional to 18,119.64, 25,001.60 and 10,948.08

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Solution

The fourth proportional to 18,119.64, 25,001.60 and 10,948.08 is: 15,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.64 : 25,001.60 = 10,948.08 : x
  2. Step 2: Convert to fraction form
    18,119.64/25,001.60 = 10,948.08/x
  3. Step 3: Cross multiply
    18,119.64x = 25,001.60 × 10,948.08
  4. Step 4: Simplify right side
    18,119.64x = 273,719,516.93
  5. Step 5: Solve for x
    x = 273,719,516.93/18,119.64
  6. Step 6: Final answer
    x = 15,106.23

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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.