Home / 19,838.85-29,760.72-8,748.33

Finding the Fourth Proportional to 19,838.85, 29,760.72 and 8,748.33

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Solution

The fourth proportional to 19,838.85, 29,760.72 and 8,748.33 is: 13,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.85 : 29,760.72 = 8,748.33 : x
  2. Step 2: Convert to fraction form
    19,838.85/29,760.72 = 8,748.33/x
  3. Step 3: Cross multiply
    19,838.85x = 29,760.72 × 8,748.33
  4. Step 4: Simplify right side
    19,838.85x = 260,356,599.60
  5. Step 5: Solve for x
    x = 260,356,599.60/19,838.85
  6. Step 6: Final answer
    x = 13,123.57

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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.