Home / 13,497.08-18,626.06-7,908.12

Finding the Fourth Proportional to 13,497.08, 18,626.06 and 7,908.12

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Solution

The fourth proportional to 13,497.08, 18,626.06 and 7,908.12 is: 10,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.08 : 18,626.06 = 7,908.12 : x
  2. Step 2: Convert to fraction form
    13,497.08/18,626.06 = 7,908.12/x
  3. Step 3: Cross multiply
    13,497.08x = 18,626.06 × 7,908.12
  4. Step 4: Simplify right side
    13,497.08x = 147,297,117.61
  5. Step 5: Solve for x
    x = 147,297,117.61/13,497.08
  6. Step 6: Final answer
    x = 10,913.26

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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.