Home / 19,311.86-26,645.01-10,928.18

Finding the Fourth Proportional to 19,311.86, 26,645.01 and 10,928.18

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Solution

The fourth proportional to 19,311.86, 26,645.01 and 10,928.18 is: 15,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.86 : 26,645.01 = 10,928.18 : x
  2. Step 2: Convert to fraction form
    19,311.86/26,645.01 = 10,928.18/x
  3. Step 3: Cross multiply
    19,311.86x = 26,645.01 × 10,928.18
  4. Step 4: Simplify right side
    19,311.86x = 291,181,465.38
  5. Step 5: Solve for x
    x = 291,181,465.38/19,311.86
  6. Step 6: Final answer
    x = 15,077.86

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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.