Home / 19,345.08-26,658.78-13,046.52

Finding the Fourth Proportional to 19,345.08, 26,658.78 and 13,046.52

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Solution

The fourth proportional to 19,345.08, 26,658.78 and 13,046.52 is: 17,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.08 : 26,658.78 = 13,046.52 : x
  2. Step 2: Convert to fraction form
    19,345.08/26,658.78 = 13,046.52/x
  3. Step 3: Cross multiply
    19,345.08x = 26,658.78 × 13,046.52
  4. Step 4: Simplify right side
    19,345.08x = 347,804,306.45
  5. Step 5: Solve for x
    x = 347,804,306.45/19,345.08
  6. Step 6: Final answer
    x = 17,978.95

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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.