Home / 19,671.68-29,518.32-9,283.16

Finding the Fourth Proportional to 19,671.68, 29,518.32 and 9,283.16

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Solution

The fourth proportional to 19,671.68, 29,518.32 and 9,283.16 is: 13,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.68 : 29,518.32 = 9,283.16 : x
  2. Step 2: Convert to fraction form
    19,671.68/29,518.32 = 9,283.16/x
  3. Step 3: Cross multiply
    19,671.68x = 29,518.32 × 9,283.16
  4. Step 4: Simplify right side
    19,671.68x = 274,023,139.90
  5. Step 5: Solve for x
    x = 274,023,139.90/19,671.68
  6. Step 6: Final answer
    x = 13,929.83

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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.