Home / 14,642.36-20,206.52-8,354.60

Finding the Fourth Proportional to 14,642.36, 20,206.52 and 8,354.60

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Solution

The fourth proportional to 14,642.36, 20,206.52 and 8,354.60 is: 11,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.36 : 20,206.52 = 8,354.60 : x
  2. Step 2: Convert to fraction form
    14,642.36/20,206.52 = 8,354.60/x
  3. Step 3: Cross multiply
    14,642.36x = 20,206.52 × 8,354.60
  4. Step 4: Simplify right side
    14,642.36x = 168,817,391.99
  5. Step 5: Solve for x
    x = 168,817,391.99/14,642.36
  6. Step 6: Final answer
    x = 11,529.38

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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.