Home / 18,968.26-26,176.21-10,470.39

Finding the Fourth Proportional to 18,968.26, 26,176.21 and 10,470.39

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Solution

The fourth proportional to 18,968.26, 26,176.21 and 10,470.39 is: 14,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.26 : 26,176.21 = 10,470.39 : x
  2. Step 2: Convert to fraction form
    18,968.26/26,176.21 = 10,470.39/x
  3. Step 3: Cross multiply
    18,968.26x = 26,176.21 × 10,470.39
  4. Step 4: Simplify right side
    18,968.26x = 274,075,127.42
  5. Step 5: Solve for x
    x = 274,075,127.42/18,968.26
  6. Step 6: Final answer
    x = 14,449.14

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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.