Home / 15,969.79-22,038.99-8,896.22

Finding the Fourth Proportional to 15,969.79, 22,038.99 and 8,896.22

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Solution

The fourth proportional to 15,969.79, 22,038.99 and 8,896.22 is: 12,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.79 : 22,038.99 = 8,896.22 : x
  2. Step 2: Convert to fraction form
    15,969.79/22,038.99 = 8,896.22/x
  3. Step 3: Cross multiply
    15,969.79x = 22,038.99 × 8,896.22
  4. Step 4: Simplify right side
    15,969.79x = 196,063,703.62
  5. Step 5: Solve for x
    x = 196,063,703.62/15,969.79
  6. Step 6: Final answer
    x = 12,277.16

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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.