Home / 14,345.48-19,796.70-7,972.04

Finding the Fourth Proportional to 14,345.48, 19,796.70 and 7,972.04

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Solution

The fourth proportional to 14,345.48, 19,796.70 and 7,972.04 is: 11,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.48 : 19,796.70 = 7,972.04 : x
  2. Step 2: Convert to fraction form
    14,345.48/19,796.70 = 7,972.04/x
  3. Step 3: Cross multiply
    14,345.48x = 19,796.70 × 7,972.04
  4. Step 4: Simplify right side
    14,345.48x = 157,819,985.28
  5. Step 5: Solve for x
    x = 157,819,985.28/14,345.48
  6. Step 6: Final answer
    x = 11,001.38

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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.