Home / 21,510.14-32,265.14-14,112.81

Finding the Fourth Proportional to 21,510.14, 32,265.14 and 14,112.81

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Solution

The fourth proportional to 21,510.14, 32,265.14 and 14,112.81 is: 21,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.14 : 32,265.14 = 14,112.81 : x
  2. Step 2: Convert to fraction form
    21,510.14/32,265.14 = 14,112.81/x
  3. Step 3: Cross multiply
    21,510.14x = 32,265.14 × 14,112.81
  4. Step 4: Simplify right side
    21,510.14x = 455,351,719.88
  5. Step 5: Solve for x
    x = 455,351,719.88/21,510.14
  6. Step 6: Final answer
    x = 21,169.17

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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.