Home / 19,487.17-26,893.89-10,988.85

Finding the Fourth Proportional to 19,487.17, 26,893.89 and 10,988.85

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Solution

The fourth proportional to 19,487.17, 26,893.89 and 10,988.85 is: 15,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.17 : 26,893.89 = 10,988.85 : x
  2. Step 2: Convert to fraction form
    19,487.17/26,893.89 = 10,988.85/x
  3. Step 3: Cross multiply
    19,487.17x = 26,893.89 × 10,988.85
  4. Step 4: Simplify right side
    19,487.17x = 295,532,923.13
  5. Step 5: Solve for x
    x = 295,532,923.13/19,487.17
  6. Step 6: Final answer
    x = 15,165.51

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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.