Home / 19,722.65-27,207.03-14,338.98

Finding the Fourth Proportional to 19,722.65, 27,207.03 and 14,338.98

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Solution

The fourth proportional to 19,722.65, 27,207.03 and 14,338.98 is: 19,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.65 : 27,207.03 = 14,338.98 : x
  2. Step 2: Convert to fraction form
    19,722.65/27,207.03 = 14,338.98/x
  3. Step 3: Cross multiply
    19,722.65x = 27,207.03 × 14,338.98
  4. Step 4: Simplify right side
    19,722.65x = 390,121,059.03
  5. Step 5: Solve for x
    x = 390,121,059.03/19,722.65
  6. Step 6: Final answer
    x = 19,780.36

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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.