Home / 15,953.42-22,016.44-13,296.38

Finding the Fourth Proportional to 15,953.42, 22,016.44 and 13,296.38

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Solution

The fourth proportional to 15,953.42, 22,016.44 and 13,296.38 is: 18,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.42 : 22,016.44 = 13,296.38 : x
  2. Step 2: Convert to fraction form
    15,953.42/22,016.44 = 13,296.38/x
  3. Step 3: Cross multiply
    15,953.42x = 22,016.44 × 13,296.38
  4. Step 4: Simplify right side
    15,953.42x = 292,738,952.49
  5. Step 5: Solve for x
    x = 292,738,952.49/15,953.42
  6. Step 6: Final answer
    x = 18,349.60

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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.