Home / 14,690.99-20,263.52-9,383.47

Finding the Fourth Proportional to 14,690.99, 20,263.52 and 9,383.47

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Solution

The fourth proportional to 14,690.99, 20,263.52 and 9,383.47 is: 12,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.99 : 20,263.52 = 9,383.47 : x
  2. Step 2: Convert to fraction form
    14,690.99/20,263.52 = 9,383.47/x
  3. Step 3: Cross multiply
    14,690.99x = 20,263.52 × 9,383.47
  4. Step 4: Simplify right side
    14,690.99x = 190,142,104.81
  5. Step 5: Solve for x
    x = 190,142,104.81/14,690.99
  6. Step 6: Final answer
    x = 12,942.77

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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.