Home / 13,969.96-19,288.42-9,264.04

Finding the Fourth Proportional to 13,969.96, 19,288.42 and 9,264.04

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Solution

The fourth proportional to 13,969.96, 19,288.42 and 9,264.04 is: 12,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.96 : 19,288.42 = 9,264.04 : x
  2. Step 2: Convert to fraction form
    13,969.96/19,288.42 = 9,264.04/x
  3. Step 3: Cross multiply
    13,969.96x = 19,288.42 × 9,264.04
  4. Step 4: Simplify right side
    13,969.96x = 178,688,694.42
  5. Step 5: Solve for x
    x = 178,688,694.42/13,969.96
  6. Step 6: Final answer
    x = 12,790.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.