Home / 14,370.59-19,830.35-8,081.75

Finding the Fourth Proportional to 14,370.59, 19,830.35 and 8,081.75

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Solution

The fourth proportional to 14,370.59, 19,830.35 and 8,081.75 is: 11,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.59 : 19,830.35 = 8,081.75 : x
  2. Step 2: Convert to fraction form
    14,370.59/19,830.35 = 8,081.75/x
  3. Step 3: Cross multiply
    14,370.59x = 19,830.35 × 8,081.75
  4. Step 4: Simplify right side
    14,370.59x = 160,263,890.70
  5. Step 5: Solve for x
    x = 160,263,890.70/14,370.59
  6. Step 6: Final answer
    x = 11,152.21

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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.