Home / 13,106.34-19,659.51-6,185.70

Finding the Fourth Proportional to 13,106.34, 19,659.51 and 6,185.70

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Solution

The fourth proportional to 13,106.34, 19,659.51 and 6,185.70 is: 9,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.34 : 19,659.51 = 6,185.70 : x
  2. Step 2: Convert to fraction form
    13,106.34/19,659.51 = 6,185.70/x
  3. Step 3: Cross multiply
    13,106.34x = 19,659.51 × 6,185.70
  4. Step 4: Simplify right side
    13,106.34x = 121,607,831.01
  5. Step 5: Solve for x
    x = 121,607,831.01/13,106.34
  6. Step 6: Final answer
    x = 9,278.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.