Home / 13,030.29-17,965.67-8,831.25

Finding the Fourth Proportional to 13,030.29, 17,965.67 and 8,831.25

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Solution

The fourth proportional to 13,030.29, 17,965.67 and 8,831.25 is: 12,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.29 : 17,965.67 = 8,831.25 : x
  2. Step 2: Convert to fraction form
    13,030.29/17,965.67 = 8,831.25/x
  3. Step 3: Cross multiply
    13,030.29x = 17,965.67 × 8,831.25
  4. Step 4: Simplify right side
    13,030.29x = 158,659,279.03
  5. Step 5: Solve for x
    x = 158,659,279.03/13,030.29
  6. Step 6: Final answer
    x = 12,176.19

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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.