Home / 19,285.12-26,613.12-10,901.44

Finding the Fourth Proportional to 19,285.12, 26,613.12 and 10,901.44

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Solution

The fourth proportional to 19,285.12, 26,613.12 and 10,901.44 is: 15,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.12 : 26,613.12 = 10,901.44 : x
  2. Step 2: Convert to fraction form
    19,285.12/26,613.12 = 10,901.44/x
  3. Step 3: Cross multiply
    19,285.12x = 26,613.12 × 10,901.44
  4. Step 4: Simplify right side
    19,285.12x = 290,121,330.89
  5. Step 5: Solve for x
    x = 290,121,330.89/19,285.12
  6. Step 6: Final answer
    x = 15,043.79

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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.