Home / 14,330.48-19,777.30-7,958.30

Finding the Fourth Proportional to 14,330.48, 19,777.30 and 7,958.30

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Solution

The fourth proportional to 14,330.48, 19,777.30 and 7,958.30 is: 10,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.48 : 19,777.30 = 7,958.30 : x
  2. Step 2: Convert to fraction form
    14,330.48/19,777.30 = 7,958.30/x
  3. Step 3: Cross multiply
    14,330.48x = 19,777.30 × 7,958.30
  4. Step 4: Simplify right side
    14,330.48x = 157,393,567.81
  5. Step 5: Solve for x
    x = 157,393,567.81/14,330.48
  6. Step 6: Final answer
    x = 10,983.14

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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.