Home / 15,890.51-23,839.82-9,322.49

Finding the Fourth Proportional to 15,890.51, 23,839.82 and 9,322.49

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Solution

The fourth proportional to 15,890.51, 23,839.82 and 9,322.49 is: 13,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.51 : 23,839.82 = 9,322.49 : x
  2. Step 2: Convert to fraction form
    15,890.51/23,839.82 = 9,322.49/x
  3. Step 3: Cross multiply
    15,890.51x = 23,839.82 × 9,322.49
  4. Step 4: Simplify right side
    15,890.51x = 222,246,483.55
  5. Step 5: Solve for x
    x = 222,246,483.55/15,890.51
  6. Step 6: Final answer
    x = 13,986.11

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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.