Home / 14,097.80-21,132.30-8,251.40

Finding the Fourth Proportional to 14,097.80, 21,132.30 and 8,251.40

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Solution

The fourth proportional to 14,097.80, 21,132.30 and 8,251.40 is: 12,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.80 : 21,132.30 = 8,251.40 : x
  2. Step 2: Convert to fraction form
    14,097.80/21,132.30 = 8,251.40/x
  3. Step 3: Cross multiply
    14,097.80x = 21,132.30 × 8,251.40
  4. Step 4: Simplify right side
    14,097.80x = 174,371,060.22
  5. Step 5: Solve for x
    x = 174,371,060.22/14,097.80
  6. Step 6: Final answer
    x = 12,368.67

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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.