Home / 15,913.94-23,870.91-5,525.69

Finding the Fourth Proportional to 15,913.94, 23,870.91 and 5,525.69

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Solution

The fourth proportional to 15,913.94, 23,870.91 and 5,525.69 is: 8,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.94 : 23,870.91 = 5,525.69 : x
  2. Step 2: Convert to fraction form
    15,913.94/23,870.91 = 5,525.69/x
  3. Step 3: Cross multiply
    15,913.94x = 23,870.91 × 5,525.69
  4. Step 4: Simplify right side
    15,913.94x = 131,903,221.05
  5. Step 5: Solve for x
    x = 131,903,221.05/15,913.94
  6. Step 6: Final answer
    x = 8,288.53

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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.