Home / 19,337.24-29,014.43-12,315.42

Finding the Fourth Proportional to 19,337.24, 29,014.43 and 12,315.42

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Solution

The fourth proportional to 19,337.24, 29,014.43 and 12,315.42 is: 18,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.24 : 29,014.43 = 12,315.42 : x
  2. Step 2: Convert to fraction form
    19,337.24/29,014.43 = 12,315.42/x
  3. Step 3: Cross multiply
    19,337.24x = 29,014.43 × 12,315.42
  4. Step 4: Simplify right side
    19,337.24x = 357,324,829.93
  5. Step 5: Solve for x
    x = 357,324,829.93/19,337.24
  6. Step 6: Final answer
    x = 18,478.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.