Home / 19,148.08-26,425.56-10,765.12

Finding the Fourth Proportional to 19,148.08, 26,425.56 and 10,765.12

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Solution

The fourth proportional to 19,148.08, 26,425.56 and 10,765.12 is: 14,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.08 : 26,425.56 = 10,765.12 : x
  2. Step 2: Convert to fraction form
    19,148.08/26,425.56 = 10,765.12/x
  3. Step 3: Cross multiply
    19,148.08x = 26,425.56 × 10,765.12
  4. Step 4: Simplify right side
    19,148.08x = 284,474,324.47
  5. Step 5: Solve for x
    x = 284,474,324.47/19,148.08
  6. Step 6: Final answer
    x = 14,856.55

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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.