Home / 18,851.64-26,007.66-11,386.68

Finding the Fourth Proportional to 18,851.64, 26,007.66 and 11,386.68

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Solution

The fourth proportional to 18,851.64, 26,007.66 and 11,386.68 is: 15,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.64 : 26,007.66 = 11,386.68 : x
  2. Step 2: Convert to fraction form
    18,851.64/26,007.66 = 11,386.68/x
  3. Step 3: Cross multiply
    18,851.64x = 26,007.66 × 11,386.68
  4. Step 4: Simplify right side
    18,851.64x = 296,140,901.97
  5. Step 5: Solve for x
    x = 296,140,901.97/18,851.64
  6. Step 6: Final answer
    x = 15,709.03

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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.