Home / 14,409.92-21,572.84-8,846.40

Finding the Fourth Proportional to 14,409.92, 21,572.84 and 8,846.40

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Solution

The fourth proportional to 14,409.92, 21,572.84 and 8,846.40 is: 13,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.92 : 21,572.84 = 8,846.40 : x
  2. Step 2: Convert to fraction form
    14,409.92/21,572.84 = 8,846.40/x
  3. Step 3: Cross multiply
    14,409.92x = 21,572.84 × 8,846.40
  4. Step 4: Simplify right side
    14,409.92x = 190,841,971.78
  5. Step 5: Solve for x
    x = 190,841,971.78/14,409.92
  6. Step 6: Final answer
    x = 13,243.79

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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.