Home / 13,509.67-18,626.46-10,326.91

Finding the Fourth Proportional to 13,509.67, 18,626.46 and 10,326.91

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Solution

The fourth proportional to 13,509.67, 18,626.46 and 10,326.91 is: 14,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.67 : 18,626.46 = 10,326.91 : x
  2. Step 2: Convert to fraction form
    13,509.67/18,626.46 = 10,326.91/x
  3. Step 3: Cross multiply
    13,509.67x = 18,626.46 × 10,326.91
  4. Step 4: Simplify right side
    13,509.67x = 192,353,776.04
  5. Step 5: Solve for x
    x = 192,353,776.04/13,509.67
  6. Step 6: Final answer
    x = 14,238.23

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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.