Home / 19,238.73-28,838.96-9,240.71

Finding the Fourth Proportional to 19,238.73, 28,838.96 and 9,240.71

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Solution

The fourth proportional to 19,238.73, 28,838.96 and 9,240.71 is: 13,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.73 : 28,838.96 = 9,240.71 : x
  2. Step 2: Convert to fraction form
    19,238.73/28,838.96 = 9,240.71/x
  3. Step 3: Cross multiply
    19,238.73x = 28,838.96 × 9,240.71
  4. Step 4: Simplify right side
    19,238.73x = 266,492,275.66
  5. Step 5: Solve for x
    x = 266,492,275.66/19,238.73
  6. Step 6: Final answer
    x = 13,851.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.