Home / 9,557.43-13,189.34-5,577.77

Finding the Fourth Proportional to 9,557.43, 13,189.34 and 5,577.77

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Solution

The fourth proportional to 9,557.43, 13,189.34 and 5,577.77 is: 7,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.43 : 13,189.34 = 5,577.77 : x
  2. Step 2: Convert to fraction form
    9,557.43/13,189.34 = 5,577.77/x
  3. Step 3: Cross multiply
    9,557.43x = 13,189.34 × 5,577.77
  4. Step 4: Simplify right side
    9,557.43x = 73,567,178.28
  5. Step 5: Solve for x
    x = 73,567,178.28/9,557.43
  6. Step 6: Final answer
    x = 7,697.38

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Half scale
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Double scale
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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.