Home / 21,153.84-31,716.18-10,051.17

Finding the Fourth Proportional to 21,153.84, 31,716.18 and 10,051.17

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Solution

The fourth proportional to 21,153.84, 31,716.18 and 10,051.17 is: 15,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153.84 : 31,716.18 = 10,051.17 : x
  2. Step 2: Convert to fraction form
    21,153.84/31,716.18 = 10,051.17/x
  3. Step 3: Cross multiply
    21,153.84x = 31,716.18 × 10,051.17
  4. Step 4: Simplify right side
    21,153.84x = 318,784,716.93
  5. Step 5: Solve for x
    x = 318,784,716.93/21,153.84
  6. Step 6: Final answer
    x = 15,069.83

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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.