Home / 19,004.71-26,226.54-10,621.21

Finding the Fourth Proportional to 19,004.71, 26,226.54 and 10,621.21

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Solution

The fourth proportional to 19,004.71, 26,226.54 and 10,621.21 is: 14,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.71 : 26,226.54 = 10,621.21 : x
  2. Step 2: Convert to fraction form
    19,004.71/26,226.54 = 10,621.21/x
  3. Step 3: Cross multiply
    19,004.71x = 26,226.54 × 10,621.21
  4. Step 4: Simplify right side
    19,004.71x = 278,557,588.91
  5. Step 5: Solve for x
    x = 278,557,588.91/19,004.71
  6. Step 6: Final answer
    x = 14,657.29

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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.