Home / 19,852.28-29,778.24-8,758.98

Finding the Fourth Proportional to 19,852.28, 29,778.24 and 8,758.98

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Solution

The fourth proportional to 19,852.28, 29,778.24 and 8,758.98 is: 13,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.28 : 29,778.24 = 8,758.98 : x
  2. Step 2: Convert to fraction form
    19,852.28/29,778.24 = 8,758.98/x
  3. Step 3: Cross multiply
    19,852.28x = 29,778.24 × 8,758.98
  4. Step 4: Simplify right side
    19,852.28x = 260,827,008.60
  5. Step 5: Solve for x
    x = 260,827,008.60/19,852.28
  6. Step 6: Final answer
    x = 13,138.39

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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.