Home / 21,448.02-29,597.76-12,018.54

Finding the Fourth Proportional to 21,448.02, 29,597.76 and 12,018.54

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Solution

The fourth proportional to 21,448.02, 29,597.76 and 12,018.54 is: 16,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.02 : 29,597.76 = 12,018.54 : x
  2. Step 2: Convert to fraction form
    21,448.02/29,597.76 = 12,018.54/x
  3. Step 3: Cross multiply
    21,448.02x = 29,597.76 × 12,018.54
  4. Step 4: Simplify right side
    21,448.02x = 355,721,862.47
  5. Step 5: Solve for x
    x = 355,721,862.47/21,448.02
  6. Step 6: Final answer
    x = 16,585.30

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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.