Home / 19,004.80-26,226.06-10,621.28

Finding the Fourth Proportional to 19,004.80, 26,226.06 and 10,621.28

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Solution

The fourth proportional to 19,004.80, 26,226.06 and 10,621.28 is: 14,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.80 : 26,226.06 = 10,621.28 : x
  2. Step 2: Convert to fraction form
    19,004.80/26,226.06 = 10,621.28/x
  3. Step 3: Cross multiply
    19,004.80x = 26,226.06 × 10,621.28
  4. Step 4: Simplify right side
    19,004.80x = 278,554,326.56
  5. Step 5: Solve for x
    x = 278,554,326.56/19,004.80
  6. Step 6: Final answer
    x = 14,657.05

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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.