Home / 14,485.22-19,991.74-9,180.52

Finding the Fourth Proportional to 14,485.22, 19,991.74 and 9,180.52

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Solution

The fourth proportional to 14,485.22, 19,991.74 and 9,180.52 is: 12,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.22 : 19,991.74 = 9,180.52 : x
  2. Step 2: Convert to fraction form
    14,485.22/19,991.74 = 9,180.52/x
  3. Step 3: Cross multiply
    14,485.22x = 19,991.74 × 9,180.52
  4. Step 4: Simplify right side
    14,485.22x = 183,534,568.90
  5. Step 5: Solve for x
    x = 183,534,568.90/14,485.22
  6. Step 6: Final answer
    x = 12,670.47

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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.