Home / 14,445.12-19,934.03-8,071.80

Finding the Fourth Proportional to 14,445.12, 19,934.03 and 8,071.80

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Solution

The fourth proportional to 14,445.12, 19,934.03 and 8,071.80 is: 11,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.12 : 19,934.03 = 8,071.80 : x
  2. Step 2: Convert to fraction form
    14,445.12/19,934.03 = 8,071.80/x
  3. Step 3: Cross multiply
    14,445.12x = 19,934.03 × 8,071.80
  4. Step 4: Simplify right side
    14,445.12x = 160,903,503.35
  5. Step 5: Solve for x
    x = 160,903,503.35/14,445.12
  6. Step 6: Final answer
    x = 11,138.95

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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.