Home / 18,968.39-26,176.38-10,470.51

Finding the Fourth Proportional to 18,968.39, 26,176.38 and 10,470.51

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Solution

The fourth proportional to 18,968.39, 26,176.38 and 10,470.51 is: 14,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.39 : 26,176.38 = 10,470.51 : x
  2. Step 2: Convert to fraction form
    18,968.39/26,176.38 = 10,470.51/x
  3. Step 3: Cross multiply
    18,968.39x = 26,176.38 × 10,470.51
  4. Step 4: Simplify right side
    18,968.39x = 274,080,048.55
  5. Step 5: Solve for x
    x = 274,080,048.55/18,968.39
  6. Step 6: Final answer
    x = 14,449.30

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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.