Home / 21,491.54-29,658.34-12,060.10

Finding the Fourth Proportional to 21,491.54, 29,658.34 and 12,060.10

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Solution

The fourth proportional to 21,491.54, 29,658.34 and 12,060.10 is: 16,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.54 : 29,658.34 = 12,060.10 : x
  2. Step 2: Convert to fraction form
    21,491.54/29,658.34 = 12,060.10/x
  3. Step 3: Cross multiply
    21,491.54x = 29,658.34 × 12,060.10
  4. Step 4: Simplify right side
    21,491.54x = 357,682,598.38
  5. Step 5: Solve for x
    x = 357,682,598.38/21,491.54
  6. Step 6: Final answer
    x = 16,642.95

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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.