Home / 13,378.46-18,462.26-7,410.15

Finding the Fourth Proportional to 13,378.46, 18,462.26 and 7,410.15

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Solution

The fourth proportional to 13,378.46, 18,462.26 and 7,410.15 is: 10,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.46 : 18,462.26 = 7,410.15 : x
  2. Step 2: Convert to fraction form
    13,378.46/18,462.26 = 7,410.15/x
  3. Step 3: Cross multiply
    13,378.46x = 18,462.26 × 7,410.15
  4. Step 4: Simplify right side
    13,378.46x = 136,808,134.46
  5. Step 5: Solve for x
    x = 136,808,134.46/13,378.46
  6. Step 6: Final answer
    x = 10,226.00

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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.