Home / 14,381.34-21,575.66-7,805.76

Finding the Fourth Proportional to 14,381.34, 21,575.66 and 7,805.76

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Solution

The fourth proportional to 14,381.34, 21,575.66 and 7,805.76 is: 11,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.34 : 21,575.66 = 7,805.76 : x
  2. Step 2: Convert to fraction form
    14,381.34/21,575.66 = 7,805.76/x
  3. Step 3: Cross multiply
    14,381.34x = 21,575.66 × 7,805.76
  4. Step 4: Simplify right side
    14,381.34x = 168,414,384.77
  5. Step 5: Solve for x
    x = 168,414,384.77/14,381.34
  6. Step 6: Final answer
    x = 11,710.62

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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.