Home / 14,260.86-19,679.76-7,887.24

Finding the Fourth Proportional to 14,260.86, 19,679.76 and 7,887.24

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Solution

The fourth proportional to 14,260.86, 19,679.76 and 7,887.24 is: 10,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.86 : 19,679.76 = 7,887.24 : x
  2. Step 2: Convert to fraction form
    14,260.86/19,679.76 = 7,887.24/x
  3. Step 3: Cross multiply
    14,260.86x = 19,679.76 × 7,887.24
  4. Step 4: Simplify right side
    14,260.86x = 155,218,990.26
  5. Step 5: Solve for x
    x = 155,218,990.26/14,260.86
  6. Step 6: Final answer
    x = 10,884.27

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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.