Home / 12,743.02-19,117.91-4,423.02

Finding the Fourth Proportional to 12,743.02, 19,117.91 and 4,423.02

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Solution

The fourth proportional to 12,743.02, 19,117.91 and 4,423.02 is: 6,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.02 : 19,117.91 = 4,423.02 : x
  2. Step 2: Convert to fraction form
    12,743.02/19,117.91 = 4,423.02/x
  3. Step 3: Cross multiply
    12,743.02x = 19,117.91 × 4,423.02
  4. Step 4: Simplify right side
    12,743.02x = 84,558,837.65
  5. Step 5: Solve for x
    x = 84,558,837.65/12,743.02
  6. Step 6: Final answer
    x = 6,635.70

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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.