Home / 14,588.48-20,137.74-9,287.84

Finding the Fourth Proportional to 14,588.48, 20,137.74 and 9,287.84

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Solution

The fourth proportional to 14,588.48, 20,137.74 and 9,287.84 is: 12,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.48 : 20,137.74 = 9,287.84 : x
  2. Step 2: Convert to fraction form
    14,588.48/20,137.74 = 9,287.84/x
  3. Step 3: Cross multiply
    14,588.48x = 20,137.74 × 9,287.84
  4. Step 4: Simplify right side
    14,588.48x = 187,036,107.08
  5. Step 5: Solve for x
    x = 187,036,107.08/14,588.48
  6. Step 6: Final answer
    x = 12,820.81

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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.