Home / 14,345.03-19,795.39-7,971.99

Finding the Fourth Proportional to 14,345.03, 19,795.39 and 7,971.99

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Solution

The fourth proportional to 14,345.03, 19,795.39 and 7,971.99 is: 11,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.03 : 19,795.39 = 7,971.99 : x
  2. Step 2: Convert to fraction form
    14,345.03/19,795.39 = 7,971.99/x
  3. Step 3: Cross multiply
    14,345.03x = 19,795.39 × 7,971.99
  4. Step 4: Simplify right side
    14,345.03x = 157,808,631.20
  5. Step 5: Solve for x
    x = 157,808,631.20/14,345.03
  6. Step 6: Final answer
    x = 11,000.93

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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.