Home / 19,355.40-29,037.26-8,262.28

Finding the Fourth Proportional to 19,355.40, 29,037.26 and 8,262.28

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Solution

The fourth proportional to 19,355.40, 29,037.26 and 8,262.28 is: 12,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.40 : 29,037.26 = 8,262.28 : x
  2. Step 2: Convert to fraction form
    19,355.40/29,037.26 = 8,262.28/x
  3. Step 3: Cross multiply
    19,355.40x = 29,037.26 × 8,262.28
  4. Step 4: Simplify right side
    19,355.40x = 239,913,972.55
  5. Step 5: Solve for x
    x = 239,913,972.55/19,355.40
  6. Step 6: Final answer
    x = 12,395.20

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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.