Home / 19,838.93-27,377.39-10,886.50

Finding the Fourth Proportional to 19,838.93, 27,377.39 and 10,886.50

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Solution

The fourth proportional to 19,838.93, 27,377.39 and 10,886.50 is: 15,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.93 : 27,377.39 = 10,886.50 : x
  2. Step 2: Convert to fraction form
    19,838.93/27,377.39 = 10,886.50/x
  3. Step 3: Cross multiply
    19,838.93x = 27,377.39 × 10,886.50
  4. Step 4: Simplify right side
    19,838.93x = 298,044,017.67
  5. Step 5: Solve for x
    x = 298,044,017.67/19,838.93
  6. Step 6: Final answer
    x = 15,023.19

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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.