Home / 15,239.35-21,043.27-9,583.55

Finding the Fourth Proportional to 15,239.35, 21,043.27 and 9,583.55

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Solution

The fourth proportional to 15,239.35, 21,043.27 and 9,583.55 is: 13,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.35 : 21,043.27 = 9,583.55 : x
  2. Step 2: Convert to fraction form
    15,239.35/21,043.27 = 9,583.55/x
  3. Step 3: Cross multiply
    15,239.35x = 21,043.27 × 9,583.55
  4. Step 4: Simplify right side
    15,239.35x = 201,669,230.21
  5. Step 5: Solve for x
    x = 201,669,230.21/15,239.35
  6. Step 6: Final answer
    x = 13,233.45

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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.