Home / 18,389.86-25,377.30-10,433.64

Finding the Fourth Proportional to 18,389.86, 25,377.30 and 10,433.64

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Solution

The fourth proportional to 18,389.86, 25,377.30 and 10,433.64 is: 14,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.86 : 25,377.30 = 10,433.64 : x
  2. Step 2: Convert to fraction form
    18,389.86/25,377.30 = 10,433.64/x
  3. Step 3: Cross multiply
    18,389.86x = 25,377.30 × 10,433.64
  4. Step 4: Simplify right side
    18,389.86x = 264,777,612.37
  5. Step 5: Solve for x
    x = 264,777,612.37/18,389.86
  6. Step 6: Final answer
    x = 14,398.02

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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.