Home / 21,259.03-31,889.06-10,166.89

Finding the Fourth Proportional to 21,259.03, 31,889.06 and 10,166.89

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Solution

The fourth proportional to 21,259.03, 31,889.06 and 10,166.89 is: 15,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259.03 : 31,889.06 = 10,166.89 : x
  2. Step 2: Convert to fraction form
    21,259.03/31,889.06 = 10,166.89/x
  3. Step 3: Cross multiply
    21,259.03x = 31,889.06 × 10,166.89
  4. Step 4: Simplify right side
    21,259.03x = 324,212,565.22
  5. Step 5: Solve for x
    x = 324,212,565.22/21,259.03
  6. Step 6: Final answer
    x = 15,250.58

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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.