Home / 14,345.35-19,794.85-7,971.91

Finding the Fourth Proportional to 14,345.35, 19,794.85 and 7,971.91

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Solution

The fourth proportional to 14,345.35, 19,794.85 and 7,971.91 is: 11,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.35 : 19,794.85 = 7,971.91 : x
  2. Step 2: Convert to fraction form
    14,345.35/19,794.85 = 7,971.91/x
  3. Step 3: Cross multiply
    14,345.35x = 19,794.85 × 7,971.91
  4. Step 4: Simplify right side
    14,345.35x = 157,802,762.66
  5. Step 5: Solve for x
    x = 157,802,762.66/14,345.35
  6. Step 6: Final answer
    x = 11,000.27

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1.5x scale

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.