Home / 21,026.68-29,011.02-12,073.72

Finding the Fourth Proportional to 21,026.68, 29,011.02 and 12,073.72

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Solution

The fourth proportional to 21,026.68, 29,011.02 and 12,073.72 is: 16,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.68 : 29,011.02 = 12,073.72 : x
  2. Step 2: Convert to fraction form
    21,026.68/29,011.02 = 12,073.72/x
  3. Step 3: Cross multiply
    21,026.68x = 29,011.02 × 12,073.72
  4. Step 4: Simplify right side
    21,026.68x = 350,270,932.39
  5. Step 5: Solve for x
    x = 350,270,932.39/21,026.68
  6. Step 6: Final answer
    x = 16,658.40

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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.