Home / 14,508.20-21,713.70-12,758.60

Finding the Fourth Proportional to 14,508.20, 21,713.70 and 12,758.60

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Solution

The fourth proportional to 14,508.20, 21,713.70 and 12,758.60 is: 19,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.20 : 21,713.70 = 12,758.60 : x
  2. Step 2: Convert to fraction form
    14,508.20/21,713.70 = 12,758.60/x
  3. Step 3: Cross multiply
    14,508.20x = 21,713.70 × 12,758.60
  4. Step 4: Simplify right side
    14,508.20x = 277,036,412.82
  5. Step 5: Solve for x
    x = 277,036,412.82/14,508.20
  6. Step 6: Final answer
    x = 19,095.16

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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.