Home / 18,341.59-25,311.34-10,384.56

Finding the Fourth Proportional to 18,341.59, 25,311.34 and 10,384.56

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Solution

The fourth proportional to 18,341.59, 25,311.34 and 10,384.56 is: 14,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.59 : 25,311.34 = 10,384.56 : x
  2. Step 2: Convert to fraction form
    18,341.59/25,311.34 = 10,384.56/x
  3. Step 3: Cross multiply
    18,341.59x = 25,311.34 × 10,384.56
  4. Step 4: Simplify right side
    18,341.59x = 262,847,128.91
  5. Step 5: Solve for x
    x = 262,847,128.91/18,341.59
  6. Step 6: Final answer
    x = 14,330.66

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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.