Home / 14,128.02-21,167.43-7,534.22

Finding the Fourth Proportional to 14,128.02, 21,167.43 and 7,534.22

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Solution

The fourth proportional to 14,128.02, 21,167.43 and 7,534.22 is: 11,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.02 : 21,167.43 = 7,534.22 : x
  2. Step 2: Convert to fraction form
    14,128.02/21,167.43 = 7,534.22/x
  3. Step 3: Cross multiply
    14,128.02x = 21,167.43 × 7,534.22
  4. Step 4: Simplify right side
    14,128.02x = 159,479,940.36
  5. Step 5: Solve for x
    x = 159,479,940.36/14,128.02
  6. Step 6: Final answer
    x = 11,288.20

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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.