Home / 14,193.87-21,268.93-8,988.81

Finding the Fourth Proportional to 14,193.87, 21,268.93 and 8,988.81

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Solution

The fourth proportional to 14,193.87, 21,268.93 and 8,988.81 is: 13,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.87 : 21,268.93 = 8,988.81 : x
  2. Step 2: Convert to fraction form
    14,193.87/21,268.93 = 8,988.81/x
  3. Step 3: Cross multiply
    14,193.87x = 21,268.93 × 8,988.81
  4. Step 4: Simplify right side
    14,193.87x = 191,182,370.67
  5. Step 5: Solve for x
    x = 191,182,370.67/14,193.87
  6. Step 6: Final answer
    x = 13,469.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.