Home / 21,026.02-29,017.04-12,074.98

Finding the Fourth Proportional to 21,026.02, 29,017.04 and 12,074.98

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Solution

The fourth proportional to 21,026.02, 29,017.04 and 12,074.98 is: 16,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.02 : 29,017.04 = 12,074.98 : x
  2. Step 2: Convert to fraction form
    21,026.02/29,017.04 = 12,074.98/x
  3. Step 3: Cross multiply
    21,026.02x = 29,017.04 × 12,074.98
  4. Step 4: Simplify right side
    21,026.02x = 350,380,177.66
  5. Step 5: Solve for x
    x = 350,380,177.66/21,026.02
  6. Step 6: Final answer
    x = 16,664.12

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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.