Home / 13,723.04-18,937.91-7,435.42

Finding the Fourth Proportional to 13,723.04, 18,937.91 and 7,435.42

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Solution

The fourth proportional to 13,723.04, 18,937.91 and 7,435.42 is: 10,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.04 : 18,937.91 = 7,435.42 : x
  2. Step 2: Convert to fraction form
    13,723.04/18,937.91 = 7,435.42/x
  3. Step 3: Cross multiply
    13,723.04x = 18,937.91 × 7,435.42
  4. Step 4: Simplify right side
    13,723.04x = 140,811,220.08
  5. Step 5: Solve for x
    x = 140,811,220.08/13,723.04
  6. Step 6: Final answer
    x = 10,260.93

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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.