Home / 14,929.46-22,360.15-7,143.78

Finding the Fourth Proportional to 14,929.46, 22,360.15 and 7,143.78

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Solution

The fourth proportional to 14,929.46, 22,360.15 and 7,143.78 is: 10,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.46 : 22,360.15 = 7,143.78 : x
  2. Step 2: Convert to fraction form
    14,929.46/22,360.15 = 7,143.78/x
  3. Step 3: Cross multiply
    14,929.46x = 22,360.15 × 7,143.78
  4. Step 4: Simplify right side
    14,929.46x = 159,735,992.37
  5. Step 5: Solve for x
    x = 159,735,992.37/14,929.46
  6. Step 6: Final answer
    x = 10,699.38

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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.