Home / 15,823.85-21,835.44-8,750.12

Finding the Fourth Proportional to 15,823.85, 21,835.44 and 8,750.12

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Solution

The fourth proportional to 15,823.85, 21,835.44 and 8,750.12 is: 12,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.85 : 21,835.44 = 8,750.12 : x
  2. Step 2: Convert to fraction form
    15,823.85/21,835.44 = 8,750.12/x
  3. Step 3: Cross multiply
    15,823.85x = 21,835.44 × 8,750.12
  4. Step 4: Simplify right side
    15,823.85x = 191,062,611.08
  5. Step 5: Solve for x
    x = 191,062,611.08/15,823.85
  6. Step 6: Final answer
    x = 12,074.35

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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.