Home / 15,911.98-23,868.59-4,225.30

Finding the Fourth Proportional to 15,911.98, 23,868.59 and 4,225.30

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Solution

The fourth proportional to 15,911.98, 23,868.59 and 4,225.30 is: 6,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.98 : 23,868.59 = 4,225.30 : x
  2. Step 2: Convert to fraction form
    15,911.98/23,868.59 = 4,225.30/x
  3. Step 3: Cross multiply
    15,911.98x = 23,868.59 × 4,225.30
  4. Step 4: Simplify right side
    15,911.98x = 100,851,953.33
  5. Step 5: Solve for x
    x = 100,851,953.33/15,911.98
  6. Step 6: Final answer
    x = 6,338.11

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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.