Home / 14,688.66-20,275.47-8,725.44

Finding the Fourth Proportional to 14,688.66, 20,275.47 and 8,725.44

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Solution

The fourth proportional to 14,688.66, 20,275.47 and 8,725.44 is: 12,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.66 : 20,275.47 = 8,725.44 : x
  2. Step 2: Convert to fraction form
    14,688.66/20,275.47 = 8,725.44/x
  3. Step 3: Cross multiply
    14,688.66x = 20,275.47 × 8,725.44
  4. Step 4: Simplify right side
    14,688.66x = 176,912,396.96
  5. Step 5: Solve for x
    x = 176,912,396.96/14,688.66
  6. Step 6: Final answer
    x = 12,044.15

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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.