Home / 10,118.19-13,969.04-6,397.23

Finding the Fourth Proportional to 10,118.19, 13,969.04 and 6,397.23

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Solution

The fourth proportional to 10,118.19, 13,969.04 and 6,397.23 is: 8,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.19 : 13,969.04 = 6,397.23 : x
  2. Step 2: Convert to fraction form
    10,118.19/13,969.04 = 6,397.23/x
  3. Step 3: Cross multiply
    10,118.19x = 13,969.04 × 6,397.23
  4. Step 4: Simplify right side
    10,118.19x = 89,363,129.77
  5. Step 5: Solve for x
    x = 89,363,129.77/10,118.19
  6. Step 6: Final answer
    x = 8,831.93

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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.