Home / 19,003.21-26,224.47-10,619.71

Finding the Fourth Proportional to 19,003.21, 26,224.47 and 10,619.71

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Solution

The fourth proportional to 19,003.21, 26,224.47 and 10,619.71 is: 14,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.21 : 26,224.47 = 10,619.71 : x
  2. Step 2: Convert to fraction form
    19,003.21/26,224.47 = 10,619.71/x
  3. Step 3: Cross multiply
    19,003.21x = 26,224.47 × 10,619.71
  4. Step 4: Simplify right side
    19,003.21x = 278,496,266.30
  5. Step 5: Solve for x
    x = 278,496,266.30/19,003.21
  6. Step 6: Final answer
    x = 14,655.22

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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.