Home / 19,591.48-29,389.44-7,117.36

Finding the Fourth Proportional to 19,591.48, 29,389.44 and 7,117.36

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Solution

The fourth proportional to 19,591.48, 29,389.44 and 7,117.36 is: 10,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.48 : 29,389.44 = 7,117.36 : x
  2. Step 2: Convert to fraction form
    19,591.48/29,389.44 = 7,117.36/x
  3. Step 3: Cross multiply
    19,591.48x = 29,389.44 × 7,117.36
  4. Step 4: Simplify right side
    19,591.48x = 209,175,224.68
  5. Step 5: Solve for x
    x = 209,175,224.68/19,591.48
  6. Step 6: Final answer
    x = 10,676.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.