Home / 14,277.06-19,701.90-7,989.48

Finding the Fourth Proportional to 14,277.06, 19,701.90 and 7,989.48

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Solution

The fourth proportional to 14,277.06, 19,701.90 and 7,989.48 is: 11,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.06 : 19,701.90 = 7,989.48 : x
  2. Step 2: Convert to fraction form
    14,277.06/19,701.90 = 7,989.48/x
  3. Step 3: Cross multiply
    14,277.06x = 19,701.90 × 7,989.48
  4. Step 4: Simplify right side
    14,277.06x = 157,407,936.01
  5. Step 5: Solve for x
    x = 157,407,936.01/14,277.06
  6. Step 6: Final answer
    x = 11,025.23

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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.