Home / 19,718.64-29,574.76-6,571.12

Finding the Fourth Proportional to 19,718.64, 29,574.76 and 6,571.12

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Solution

The fourth proportional to 19,718.64, 29,574.76 and 6,571.12 is: 9,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.64 : 29,574.76 = 6,571.12 : x
  2. Step 2: Convert to fraction form
    19,718.64/29,574.76 = 6,571.12/x
  3. Step 3: Cross multiply
    19,718.64x = 29,574.76 × 6,571.12
  4. Step 4: Simplify right side
    19,718.64x = 194,339,296.93
  5. Step 5: Solve for x
    x = 194,339,296.93/19,718.64
  6. Step 6: Final answer
    x = 9,855.61

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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.