Home / 14,690.64-20,263.05-9,383.07

Finding the Fourth Proportional to 14,690.64, 20,263.05 and 9,383.07

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Solution

The fourth proportional to 14,690.64, 20,263.05 and 9,383.07 is: 12,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.64 : 20,263.05 = 9,383.07 : x
  2. Step 2: Convert to fraction form
    14,690.64/20,263.05 = 9,383.07/x
  3. Step 3: Cross multiply
    14,690.64x = 20,263.05 × 9,383.07
  4. Step 4: Simplify right side
    14,690.64x = 190,129,616.56
  5. Step 5: Solve for x
    x = 190,129,616.56/14,690.64
  6. Step 6: Final answer
    x = 12,942.23

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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.