Home / 15,596.46-21,468.87-13,603.55

Finding the Fourth Proportional to 15,596.46, 21,468.87 and 13,603.55

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Solution

The fourth proportional to 15,596.46, 21,468.87 and 13,603.55 is: 18,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.46 : 21,468.87 = 13,603.55 : x
  2. Step 2: Convert to fraction form
    15,596.46/21,468.87 = 13,603.55/x
  3. Step 3: Cross multiply
    15,596.46x = 21,468.87 × 13,603.55
  4. Step 4: Simplify right side
    15,596.46x = 292,052,739.14
  5. Step 5: Solve for x
    x = 292,052,739.14/15,596.46
  6. Step 6: Final answer
    x = 18,725.58

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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.