Home / 14,666.68-21,947.46-12,699.09

Finding the Fourth Proportional to 14,666.68, 21,947.46 and 12,699.09

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Solution

The fourth proportional to 14,666.68, 21,947.46 and 12,699.09 is: 19,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.68 : 21,947.46 = 12,699.09 : x
  2. Step 2: Convert to fraction form
    14,666.68/21,947.46 = 12,699.09/x
  3. Step 3: Cross multiply
    14,666.68x = 21,947.46 × 12,699.09
  4. Step 4: Simplify right side
    14,666.68x = 278,712,824.68
  5. Step 5: Solve for x
    x = 278,712,824.68/14,666.68
  6. Step 6: Final answer
    x = 19,003.13

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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.