Home / 21,233.02-29,281.08-14,059.66

Finding the Fourth Proportional to 21,233.02, 29,281.08 and 14,059.66

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Solution

The fourth proportional to 21,233.02, 29,281.08 and 14,059.66 is: 19,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.02 : 29,281.08 = 14,059.66 : x
  2. Step 2: Convert to fraction form
    21,233.02/29,281.08 = 14,059.66/x
  3. Step 3: Cross multiply
    21,233.02x = 29,281.08 × 14,059.66
  4. Step 4: Simplify right side
    21,233.02x = 411,682,029.23
  5. Step 5: Solve for x
    x = 411,682,029.23/21,233.02
  6. Step 6: Final answer
    x = 19,388.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.