Home / 18,851.23-26,015.19-10,353.90

Finding the Fourth Proportional to 18,851.23, 26,015.19 and 10,353.90

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Solution

The fourth proportional to 18,851.23, 26,015.19 and 10,353.90 is: 14,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.23 : 26,015.19 = 10,353.90 : x
  2. Step 2: Convert to fraction form
    18,851.23/26,015.19 = 10,353.90/x
  3. Step 3: Cross multiply
    18,851.23x = 26,015.19 × 10,353.90
  4. Step 4: Simplify right side
    18,851.23x = 269,358,675.74
  5. Step 5: Solve for x
    x = 269,358,675.74/18,851.23
  6. Step 6: Final answer
    x = 14,288.65

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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.