Home / 19,571.50-29,337.93-12,531.47

Finding the Fourth Proportional to 19,571.50, 29,337.93 and 12,531.47

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Solution

The fourth proportional to 19,571.50, 29,337.93 and 12,531.47 is: 18,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.50 : 29,337.93 = 12,531.47 : x
  2. Step 2: Convert to fraction form
    19,571.50/29,337.93 = 12,531.47/x
  3. Step 3: Cross multiply
    19,571.50x = 29,337.93 × 12,531.47
  4. Step 4: Simplify right side
    19,571.50x = 367,647,389.66
  5. Step 5: Solve for x
    x = 367,647,389.66/19,571.50
  6. Step 6: Final answer
    x = 18,784.84

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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.