Home / 19,280.32-26,610.88-11,323.20

Finding the Fourth Proportional to 19,280.32, 26,610.88 and 11,323.20

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Solution

The fourth proportional to 19,280.32, 26,610.88 and 11,323.20 is: 15,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.32 : 26,610.88 = 11,323.20 : x
  2. Step 2: Convert to fraction form
    19,280.32/26,610.88 = 11,323.20/x
  3. Step 3: Cross multiply
    19,280.32x = 26,610.88 × 11,323.20
  4. Step 4: Simplify right side
    19,280.32x = 301,320,316.42
  5. Step 5: Solve for x
    x = 301,320,316.42/19,280.32
  6. Step 6: Final answer
    x = 15,628.39

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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.