Home / 14,252.56-19,660.12-8,938.15

Finding the Fourth Proportional to 14,252.56, 19,660.12 and 8,938.15

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Solution

The fourth proportional to 14,252.56, 19,660.12 and 8,938.15 is: 12,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.56 : 19,660.12 = 8,938.15 : x
  2. Step 2: Convert to fraction form
    14,252.56/19,660.12 = 8,938.15/x
  3. Step 3: Cross multiply
    14,252.56x = 19,660.12 × 8,938.15
  4. Step 4: Simplify right side
    14,252.56x = 175,725,030.08
  5. Step 5: Solve for x
    x = 175,725,030.08/14,252.56
  6. Step 6: Final answer
    x = 12,329.37

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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.