Home / 14,189.87-21,262.93-8,984.81

Finding the Fourth Proportional to 14,189.87, 21,262.93 and 8,984.81

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Solution

The fourth proportional to 14,189.87, 21,262.93 and 8,984.81 is: 13,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.87 : 21,262.93 = 8,984.81 : x
  2. Step 2: Convert to fraction form
    14,189.87/21,262.93 = 8,984.81/x
  3. Step 3: Cross multiply
    14,189.87x = 21,262.93 × 8,984.81
  4. Step 4: Simplify right side
    14,189.87x = 191,043,416.79
  5. Step 5: Solve for x
    x = 191,043,416.79/14,189.87
  6. Step 6: Final answer
    x = 13,463.36

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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.