Home / 19,820.69-27,350.04-10,865.83

Finding the Fourth Proportional to 19,820.69, 27,350.04 and 10,865.83

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Solution

The fourth proportional to 19,820.69, 27,350.04 and 10,865.83 is: 14,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.69 : 27,350.04 = 10,865.83 : x
  2. Step 2: Convert to fraction form
    19,820.69/27,350.04 = 10,865.83/x
  3. Step 3: Cross multiply
    19,820.69x = 27,350.04 × 10,865.83
  4. Step 4: Simplify right side
    19,820.69x = 297,180,885.13
  5. Step 5: Solve for x
    x = 297,180,885.13/19,820.69
  6. Step 6: Final answer
    x = 14,993.47

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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.