Home / 9,749.30-13,454.40-7,061.87

Finding the Fourth Proportional to 9,749.30, 13,454.40 and 7,061.87

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Solution

The fourth proportional to 9,749.30, 13,454.40 and 7,061.87 is: 9,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.30 : 13,454.40 = 7,061.87 : x
  2. Step 2: Convert to fraction form
    9,749.30/13,454.40 = 7,061.87/x
  3. Step 3: Cross multiply
    9,749.30x = 13,454.40 × 7,061.87
  4. Step 4: Simplify right side
    9,749.30x = 95,013,156.46
  5. Step 5: Solve for x
    x = 95,013,156.46/9,749.30
  6. Step 6: Final answer
    x = 9,745.64

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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.