Home / 14,885.40-22,317.30-6,115.80

Finding the Fourth Proportional to 14,885.40, 22,317.30 and 6,115.80

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Solution

The fourth proportional to 14,885.40, 22,317.30 and 6,115.80 is: 9,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.40 : 22,317.30 = 6,115.80 : x
  2. Step 2: Convert to fraction form
    14,885.40/22,317.30 = 6,115.80/x
  3. Step 3: Cross multiply
    14,885.40x = 22,317.30 × 6,115.80
  4. Step 4: Simplify right side
    14,885.40x = 136,488,143.34
  5. Step 5: Solve for x
    x = 136,488,143.34/14,885.40
  6. Step 6: Final answer
    x = 9,169.26

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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.