Home / 21,024.02-29,014.28-12,072.98

Finding the Fourth Proportional to 21,024.02, 29,014.28 and 12,072.98

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Solution

The fourth proportional to 21,024.02, 29,014.28 and 12,072.98 is: 16,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.02 : 29,014.28 = 12,072.98 : x
  2. Step 2: Convert to fraction form
    21,024.02/29,014.28 = 12,072.98/x
  3. Step 3: Cross multiply
    21,024.02x = 29,014.28 × 12,072.98
  4. Step 4: Simplify right side
    21,024.02x = 350,288,822.15
  5. Step 5: Solve for x
    x = 350,288,822.15/21,024.02
  6. Step 6: Final answer
    x = 16,661.36

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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.