Home / 13,471.45-18,597.11-10,439.72

Finding the Fourth Proportional to 13,471.45, 18,597.11 and 10,439.72

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Solution

The fourth proportional to 13,471.45, 18,597.11 and 10,439.72 is: 14,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.45 : 18,597.11 = 10,439.72 : x
  2. Step 2: Convert to fraction form
    13,471.45/18,597.11 = 10,439.72/x
  3. Step 3: Cross multiply
    13,471.45x = 18,597.11 × 10,439.72
  4. Step 4: Simplify right side
    13,471.45x = 194,148,621.21
  5. Step 5: Solve for x
    x = 194,148,621.21/13,471.45
  6. Step 6: Final answer
    x = 14,411.86

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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.