Home / 18,329.79-25,295.12-9,946.29

Finding the Fourth Proportional to 18,329.79, 25,295.12 and 9,946.29

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Solution

The fourth proportional to 18,329.79, 25,295.12 and 9,946.29 is: 13,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.79 : 25,295.12 = 9,946.29 : x
  2. Step 2: Convert to fraction form
    18,329.79/25,295.12 = 9,946.29/x
  3. Step 3: Cross multiply
    18,329.79x = 25,295.12 × 9,946.29
  4. Step 4: Simplify right side
    18,329.79x = 251,592,599.10
  5. Step 5: Solve for x
    x = 251,592,599.10/18,329.79
  6. Step 6: Final answer
    x = 13,725.89

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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.