Home / 9,064.20-13,574.40-5,156.76

Finding the Fourth Proportional to 9,064.20, 13,574.40 and 5,156.76

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Solution

The fourth proportional to 9,064.20, 13,574.40 and 5,156.76 is: 7,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.20 : 13,574.40 = 5,156.76 : x
  2. Step 2: Convert to fraction form
    9,064.20/13,574.40 = 5,156.76/x
  3. Step 3: Cross multiply
    9,064.20x = 13,574.40 × 5,156.76
  4. Step 4: Simplify right side
    9,064.20x = 69,999,922.94
  5. Step 5: Solve for x
    x = 69,999,922.94/9,064.20
  6. Step 6: Final answer
    x = 7,722.68

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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.