Home / 13,666.68-18,872.46-10,303.74

Finding the Fourth Proportional to 13,666.68, 18,872.46 and 10,303.74

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Solution

The fourth proportional to 13,666.68, 18,872.46 and 10,303.74 is: 14,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.68 : 18,872.46 = 10,303.74 : x
  2. Step 2: Convert to fraction form
    13,666.68/18,872.46 = 10,303.74/x
  3. Step 3: Cross multiply
    13,666.68x = 18,872.46 × 10,303.74
  4. Step 4: Simplify right side
    13,666.68x = 194,456,921.00
  5. Step 5: Solve for x
    x = 194,456,921.00/13,666.68
  6. Step 6: Final answer
    x = 14,228.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.