Home / 19,270.68-26,591.40-10,887.18

Finding the Fourth Proportional to 19,270.68, 26,591.40 and 10,887.18

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Solution

The fourth proportional to 19,270.68, 26,591.40 and 10,887.18 is: 15,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.68 : 26,591.40 = 10,887.18 : x
  2. Step 2: Convert to fraction form
    19,270.68/26,591.40 = 10,887.18/x
  3. Step 3: Cross multiply
    19,270.68x = 26,591.40 × 10,887.18
  4. Step 4: Simplify right side
    19,270.68x = 289,505,358.25
  5. Step 5: Solve for x
    x = 289,505,358.25/19,270.68
  6. Step 6: Final answer
    x = 15,023.10

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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.