Home / 18,884.84-26,061.71-10,387.32

Finding the Fourth Proportional to 18,884.84, 26,061.71 and 10,387.32

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Solution

The fourth proportional to 18,884.84, 26,061.71 and 10,387.32 is: 14,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.84 : 26,061.71 = 10,387.32 : x
  2. Step 2: Convert to fraction form
    18,884.84/26,061.71 = 10,387.32/x
  3. Step 3: Cross multiply
    18,884.84x = 26,061.71 × 10,387.32
  4. Step 4: Simplify right side
    18,884.84x = 270,711,139.27
  5. Step 5: Solve for x
    x = 270,711,139.27/18,884.84
  6. Step 6: Final answer
    x = 14,334.84

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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.