Home / 13,084.38-18,054.90-7,705.26

Finding the Fourth Proportional to 13,084.38, 18,054.90 and 7,705.26

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Solution

The fourth proportional to 13,084.38, 18,054.90 and 7,705.26 is: 10,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.38 : 18,054.90 = 7,705.26 : x
  2. Step 2: Convert to fraction form
    13,084.38/18,054.90 = 7,705.26/x
  3. Step 3: Cross multiply
    13,084.38x = 18,054.90 × 7,705.26
  4. Step 4: Simplify right side
    13,084.38x = 139,117,698.77
  5. Step 5: Solve for x
    x = 139,117,698.77/13,084.38
  6. Step 6: Final answer
    x = 10,632.35

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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.