Home / 19,388.54-26,754.30-10,888.72

Finding the Fourth Proportional to 19,388.54, 26,754.30 and 10,888.72

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Solution

The fourth proportional to 19,388.54, 26,754.30 and 10,888.72 is: 15,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.54 : 26,754.30 = 10,888.72 : x
  2. Step 2: Convert to fraction form
    19,388.54/26,754.30 = 10,888.72/x
  3. Step 3: Cross multiply
    19,388.54x = 26,754.30 × 10,888.72
  4. Step 4: Simplify right side
    19,388.54x = 291,320,014.61
  5. Step 5: Solve for x
    x = 291,320,014.61/19,388.54
  6. Step 6: Final answer
    x = 15,025.37

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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.