Home / 9,539.85-13,165.34-5,560.32

Finding the Fourth Proportional to 9,539.85, 13,165.34 and 5,560.32

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Solution

The fourth proportional to 9,539.85, 13,165.34 and 5,560.32 is: 7,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.85 : 13,165.34 = 5,560.32 : x
  2. Step 2: Convert to fraction form
    9,539.85/13,165.34 = 5,560.32/x
  3. Step 3: Cross multiply
    9,539.85x = 13,165.34 × 5,560.32
  4. Step 4: Simplify right side
    9,539.85x = 73,203,475.51
  5. Step 5: Solve for x
    x = 73,203,475.51/9,539.85
  6. Step 6: Final answer
    x = 7,673.44

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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.