Home / 19,712.71-29,577.24-11,830.39

Finding the Fourth Proportional to 19,712.71, 29,577.24 and 11,830.39

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Solution

The fourth proportional to 19,712.71, 29,577.24 and 11,830.39 is: 17,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.71 : 29,577.24 = 11,830.39 : x
  2. Step 2: Convert to fraction form
    19,712.71/29,577.24 = 11,830.39/x
  3. Step 3: Cross multiply
    19,712.71x = 29,577.24 × 11,830.39
  4. Step 4: Simplify right side
    19,712.71x = 349,910,284.32
  5. Step 5: Solve for x
    x = 349,910,284.32/19,712.71
  6. Step 6: Final answer
    x = 17,750.49

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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.