Home / 14,567.12-21,880.12-8,734.80

Finding the Fourth Proportional to 14,567.12, 21,880.12 and 8,734.80

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Solution

The fourth proportional to 14,567.12, 21,880.12 and 8,734.80 is: 13,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.12 : 21,880.12 = 8,734.80 : x
  2. Step 2: Convert to fraction form
    14,567.12/21,880.12 = 8,734.80/x
  3. Step 3: Cross multiply
    14,567.12x = 21,880.12 × 8,734.80
  4. Step 4: Simplify right side
    14,567.12x = 191,118,472.18
  5. Step 5: Solve for x
    x = 191,118,472.18/14,567.12
  6. Step 6: Final answer
    x = 13,119.85

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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.