Home / 14,703.41-20,290.79-7,989.03

Finding the Fourth Proportional to 14,703.41, 20,290.79 and 7,989.03

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Solution

The fourth proportional to 14,703.41, 20,290.79 and 7,989.03 is: 11,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.41 : 20,290.79 = 7,989.03 : x
  2. Step 2: Convert to fraction form
    14,703.41/20,290.79 = 7,989.03/x
  3. Step 3: Cross multiply
    14,703.41x = 20,290.79 × 7,989.03
  4. Step 4: Simplify right side
    14,703.41x = 162,103,705.07
  5. Step 5: Solve for x
    x = 162,103,705.07/14,703.41
  6. Step 6: Final answer
    x = 11,024.91

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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.