Home / 14,142.02-21,211.64-7,119.24

Finding the Fourth Proportional to 14,142.02, 21,211.64 and 7,119.24

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Solution

The fourth proportional to 14,142.02, 21,211.64 and 7,119.24 is: 10,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.02 : 21,211.64 = 7,119.24 : x
  2. Step 2: Convert to fraction form
    14,142.02/21,211.64 = 7,119.24/x
  3. Step 3: Cross multiply
    14,142.02x = 21,211.64 × 7,119.24
  4. Step 4: Simplify right side
    14,142.02x = 151,010,755.95
  5. Step 5: Solve for x
    x = 151,010,755.95/14,142.02
  6. Step 6: Final answer
    x = 10,678.16

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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.