Home / 18,772.40-25,908.36-10,814.96

Finding the Fourth Proportional to 18,772.40, 25,908.36 and 10,814.96

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Solution

The fourth proportional to 18,772.40, 25,908.36 and 10,814.96 is: 14,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.40 : 25,908.36 = 10,814.96 : x
  2. Step 2: Convert to fraction form
    18,772.40/25,908.36 = 10,814.96/x
  3. Step 3: Cross multiply
    18,772.40x = 25,908.36 × 10,814.96
  4. Step 4: Simplify right side
    18,772.40x = 280,197,877.07
  5. Step 5: Solve for x
    x = 280,197,877.07/18,772.40
  6. Step 6: Final answer
    x = 14,926.06

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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.