Home / 13,394.46-18,484.10-7,426.08

Finding the Fourth Proportional to 13,394.46, 18,484.10 and 7,426.08

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Solution

The fourth proportional to 13,394.46, 18,484.10 and 7,426.08 is: 10,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.46 : 18,484.10 = 7,426.08 : x
  2. Step 2: Convert to fraction form
    13,394.46/18,484.10 = 7,426.08/x
  3. Step 3: Cross multiply
    13,394.46x = 18,484.10 × 7,426.08
  4. Step 4: Simplify right side
    13,394.46x = 137,264,396.05
  5. Step 5: Solve for x
    x = 137,264,396.05/13,394.46
  6. Step 6: Final answer
    x = 10,247.85

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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.