Home / 11,553.18-17,315.39-5,625.20

Finding the Fourth Proportional to 11,553.18, 17,315.39 and 5,625.20

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Solution

The fourth proportional to 11,553.18, 17,315.39 and 5,625.20 is: 8,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.18 : 17,315.39 = 5,625.20 : x
  2. Step 2: Convert to fraction form
    11,553.18/17,315.39 = 5,625.20/x
  3. Step 3: Cross multiply
    11,553.18x = 17,315.39 × 5,625.20
  4. Step 4: Simplify right side
    11,553.18x = 97,402,417.13
  5. Step 5: Solve for x
    x = 97,402,417.13/11,553.18
  6. Step 6: Final answer
    x = 8,430.79

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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.