Home / 14,318.51-21,487.07-10,816.61

Finding the Fourth Proportional to 14,318.51, 21,487.07 and 10,816.61

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Solution

The fourth proportional to 14,318.51, 21,487.07 and 10,816.61 is: 16,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.51 : 21,487.07 = 10,816.61 : x
  2. Step 2: Convert to fraction form
    14,318.51/21,487.07 = 10,816.61/x
  3. Step 3: Cross multiply
    14,318.51x = 21,487.07 × 10,816.61
  4. Step 4: Simplify right side
    14,318.51x = 232,417,175.84
  5. Step 5: Solve for x
    x = 232,417,175.84/14,318.51
  6. Step 6: Final answer
    x = 16,231.94

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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.