Home / 14,008.88-21,011.01-5,688.56

Finding the Fourth Proportional to 14,008.88, 21,011.01 and 5,688.56

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Solution

The fourth proportional to 14,008.88, 21,011.01 and 5,688.56 is: 8,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.88 : 21,011.01 = 5,688.56 : x
  2. Step 2: Convert to fraction form
    14,008.88/21,011.01 = 5,688.56/x
  3. Step 3: Cross multiply
    14,008.88x = 21,011.01 × 5,688.56
  4. Step 4: Simplify right side
    14,008.88x = 119,522,285.99
  5. Step 5: Solve for x
    x = 119,522,285.99/14,008.88
  6. Step 6: Final answer
    x = 8,531.90

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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.