Home / 9,826.72-13,560.19-5,577.87

Finding the Fourth Proportional to 9,826.72, 13,560.19 and 5,577.87

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Solution

The fourth proportional to 9,826.72, 13,560.19 and 5,577.87 is: 7,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.72 : 13,560.19 = 5,577.87 : x
  2. Step 2: Convert to fraction form
    9,826.72/13,560.19 = 5,577.87/x
  3. Step 3: Cross multiply
    9,826.72x = 13,560.19 × 5,577.87
  4. Step 4: Simplify right side
    9,826.72x = 75,637,013.90
  5. Step 5: Solve for x
    x = 75,637,013.90/9,826.72
  6. Step 6: Final answer
    x = 7,697.08

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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.