Home / 14,417.69-21,639.90-8,881.85

Finding the Fourth Proportional to 14,417.69, 21,639.90 and 8,881.85

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Solution

The fourth proportional to 14,417.69, 21,639.90 and 8,881.85 is: 13,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.69 : 21,639.90 = 8,881.85 : x
  2. Step 2: Convert to fraction form
    14,417.69/21,639.90 = 8,881.85/x
  3. Step 3: Cross multiply
    14,417.69x = 21,639.90 × 8,881.85
  4. Step 4: Simplify right side
    14,417.69x = 192,202,237.62
  5. Step 5: Solve for x
    x = 192,202,237.62/14,417.69
  6. Step 6: Final answer
    x = 13,331.00

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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.