Home / 14,115-21,243.41-10,623.10

Finding the Fourth Proportional to 14,115, 21,243.41 and 10,623.10

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Solution

The fourth proportional to 14,115, 21,243.41 and 10,623.10 is: 15,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115 : 21,243.41 = 10,623.10 : x
  2. Step 2: Convert to fraction form
    14,115/21,243.41 = 10,623.10/x
  3. Step 3: Cross multiply
    14,115x = 21,243.41 × 10,623.10
  4. Step 4: Simplify right side
    14,115x = 225,670,868.77
  5. Step 5: Solve for x
    x = 225,670,868.77/14,115
  6. Step 6: Final answer
    x = 15,988.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.