Home / 19,590.72-29,386.09-7,895.74

Finding the Fourth Proportional to 19,590.72, 29,386.09 and 7,895.74

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Solution

The fourth proportional to 19,590.72, 29,386.09 and 7,895.74 is: 11,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.72 : 29,386.09 = 7,895.74 : x
  2. Step 2: Convert to fraction form
    19,590.72/29,386.09 = 7,895.74/x
  3. Step 3: Cross multiply
    19,590.72x = 29,386.09 × 7,895.74
  4. Step 4: Simplify right side
    19,590.72x = 232,024,967.10
  5. Step 5: Solve for x
    x = 232,024,967.10/19,590.72
  6. Step 6: Final answer
    x = 11,843.61

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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.