Home / 14,190.90-21,249.14-10,008.24

Finding the Fourth Proportional to 14,190.90, 21,249.14 and 10,008.24

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Solution

The fourth proportional to 14,190.90, 21,249.14 and 10,008.24 is: 14,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.90 : 21,249.14 = 10,008.24 : x
  2. Step 2: Convert to fraction form
    14,190.90/21,249.14 = 10,008.24/x
  3. Step 3: Cross multiply
    14,190.90x = 21,249.14 × 10,008.24
  4. Step 4: Simplify right side
    14,190.90x = 212,666,492.91
  5. Step 5: Solve for x
    x = 212,666,492.91/14,190.90
  6. Step 6: Final answer
    x = 14,986.12

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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.