Home / 19,814.22-29,721.33-10,580.22

Finding the Fourth Proportional to 19,814.22, 29,721.33 and 10,580.22

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Solution

The fourth proportional to 19,814.22, 29,721.33 and 10,580.22 is: 15,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.22 : 29,721.33 = 10,580.22 : x
  2. Step 2: Convert to fraction form
    19,814.22/29,721.33 = 10,580.22/x
  3. Step 3: Cross multiply
    19,814.22x = 29,721.33 × 10,580.22
  4. Step 4: Simplify right side
    19,814.22x = 314,458,210.09
  5. Step 5: Solve for x
    x = 314,458,210.09/19,814.22
  6. Step 6: Final answer
    x = 15,870.33

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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.