Home / 14,073.36-19,421.52-7,785.84

Finding the Fourth Proportional to 14,073.36, 19,421.52 and 7,785.84

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Solution

The fourth proportional to 14,073.36, 19,421.52 and 7,785.84 is: 10,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.36 : 19,421.52 = 7,785.84 : x
  2. Step 2: Convert to fraction form
    14,073.36/19,421.52 = 7,785.84/x
  3. Step 3: Cross multiply
    14,073.36x = 19,421.52 × 7,785.84
  4. Step 4: Simplify right side
    14,073.36x = 151,212,847.28
  5. Step 5: Solve for x
    x = 151,212,847.28/14,073.36
  6. Step 6: Final answer
    x = 10,744.62

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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.