Home / 13,641.71-18,803.61-10,186.70

Finding the Fourth Proportional to 13,641.71, 18,803.61 and 10,186.70

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Solution

The fourth proportional to 13,641.71, 18,803.61 and 10,186.70 is: 14,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.71 : 18,803.61 = 10,186.70 : x
  2. Step 2: Convert to fraction form
    13,641.71/18,803.61 = 10,186.70/x
  3. Step 3: Cross multiply
    13,641.71x = 18,803.61 × 10,186.70
  4. Step 4: Simplify right side
    13,641.71x = 191,546,639.97
  5. Step 5: Solve for x
    x = 191,546,639.97/13,641.71
  6. Step 6: Final answer
    x = 14,041.25

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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.