Home / 18,354.90-25,330.32-10,398.27

Finding the Fourth Proportional to 18,354.90, 25,330.32 and 10,398.27

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Solution

The fourth proportional to 18,354.90, 25,330.32 and 10,398.27 is: 14,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.90 : 25,330.32 = 10,398.27 : x
  2. Step 2: Convert to fraction form
    18,354.90/25,330.32 = 10,398.27/x
  3. Step 3: Cross multiply
    18,354.90x = 25,330.32 × 10,398.27
  4. Step 4: Simplify right side
    18,354.90x = 263,391,506.55
  5. Step 5: Solve for x
    x = 263,391,506.55/18,354.90
  6. Step 6: Final answer
    x = 14,349.93

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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.