Home / 19,238.52-26,548.40-10,855.04

Finding the Fourth Proportional to 19,238.52, 26,548.40 and 10,855.04

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Solution

The fourth proportional to 19,238.52, 26,548.40 and 10,855.04 is: 14,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.52 : 26,548.40 = 10,855.04 : x
  2. Step 2: Convert to fraction form
    19,238.52/26,548.40 = 10,855.04/x
  3. Step 3: Cross multiply
    19,238.52x = 26,548.40 × 10,855.04
  4. Step 4: Simplify right side
    19,238.52x = 288,183,943.94
  5. Step 5: Solve for x
    x = 288,183,943.94/19,238.52
  6. Step 6: Final answer
    x = 14,979.53

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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.