Home / 12,835.18-19,255.61-4,515.74

Finding the Fourth Proportional to 12,835.18, 19,255.61 and 4,515.74

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Solution

The fourth proportional to 12,835.18, 19,255.61 and 4,515.74 is: 6,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.18 : 19,255.61 = 4,515.74 : x
  2. Step 2: Convert to fraction form
    12,835.18/19,255.61 = 4,515.74/x
  3. Step 3: Cross multiply
    12,835.18x = 19,255.61 × 4,515.74
  4. Step 4: Simplify right side
    12,835.18x = 86,953,328.30
  5. Step 5: Solve for x
    x = 86,953,328.30/12,835.18
  6. Step 6: Final answer
    x = 6,774.61

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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.