Home / 19,108.08-26,363.19-11,040.72

Finding the Fourth Proportional to 19,108.08, 26,363.19 and 11,040.72

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Solution

The fourth proportional to 19,108.08, 26,363.19 and 11,040.72 is: 15,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.08 : 26,363.19 = 11,040.72 : x
  2. Step 2: Convert to fraction form
    19,108.08/26,363.19 = 11,040.72/x
  3. Step 3: Cross multiply
    19,108.08x = 26,363.19 × 11,040.72
  4. Step 4: Simplify right side
    19,108.08x = 291,068,599.10
  5. Step 5: Solve for x
    x = 291,068,599.10/19,108.08
  6. Step 6: Final answer
    x = 15,232.75

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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.