Home / 21,319.37-31,965.38-8,848.01

Finding the Fourth Proportional to 21,319.37, 31,965.38 and 8,848.01

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Solution

The fourth proportional to 21,319.37, 31,965.38 and 8,848.01 is: 13,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319.37 : 31,965.38 = 8,848.01 : x
  2. Step 2: Convert to fraction form
    21,319.37/31,965.38 = 8,848.01/x
  3. Step 3: Cross multiply
    21,319.37x = 31,965.38 × 8,848.01
  4. Step 4: Simplify right side
    21,319.37x = 282,829,842.07
  5. Step 5: Solve for x
    x = 282,829,842.07/21,319.37
  6. Step 6: Final answer
    x = 13,266.33

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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.