Home / 18,887.95-26,064.34-10,388.44

Finding the Fourth Proportional to 18,887.95, 26,064.34 and 10,388.44

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Solution

The fourth proportional to 18,887.95, 26,064.34 and 10,388.44 is: 14,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.95 : 26,064.34 = 10,388.44 : x
  2. Step 2: Convert to fraction form
    18,887.95/26,064.34 = 10,388.44/x
  3. Step 3: Cross multiply
    18,887.95x = 26,064.34 × 10,388.44
  4. Step 4: Simplify right side
    18,887.95x = 270,767,832.23
  5. Step 5: Solve for x
    x = 270,767,832.23/18,887.95
  6. Step 6: Final answer
    x = 14,335.48

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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.