Home / 19,819.68-29,713.59-13,564.32

Finding the Fourth Proportional to 19,819.68, 29,713.59 and 13,564.32

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Solution

The fourth proportional to 19,819.68, 29,713.59 and 13,564.32 is: 20,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.68 : 29,713.59 = 13,564.32 : x
  2. Step 2: Convert to fraction form
    19,819.68/29,713.59 = 13,564.32/x
  3. Step 3: Cross multiply
    19,819.68x = 29,713.59 × 13,564.32
  4. Step 4: Simplify right side
    19,819.68x = 403,044,643.11
  5. Step 5: Solve for x
    x = 403,044,643.11/19,819.68
  6. Step 6: Final answer
    x = 20,335.58

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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.