Home / 8,699.36-13,018.92-5,366.24

Finding the Fourth Proportional to 8,699.36, 13,018.92 and 5,366.24

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Solution

The fourth proportional to 8,699.36, 13,018.92 and 5,366.24 is: 8,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.36 : 13,018.92 = 5,366.24 : x
  2. Step 2: Convert to fraction form
    8,699.36/13,018.92 = 5,366.24/x
  3. Step 3: Cross multiply
    8,699.36x = 13,018.92 × 5,366.24
  4. Step 4: Simplify right side
    8,699.36x = 69,862,649.26
  5. Step 5: Solve for x
    x = 69,862,649.26/8,699.36
  6. Step 6: Final answer
    x = 8,030.78

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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.