Home / 13,935.55-19,212.07-9,949.74

Finding the Fourth Proportional to 13,935.55, 19,212.07 and 9,949.74

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Solution

The fourth proportional to 13,935.55, 19,212.07 and 9,949.74 is: 13,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.55 : 19,212.07 = 9,949.74 : x
  2. Step 2: Convert to fraction form
    13,935.55/19,212.07 = 9,949.74/x
  3. Step 3: Cross multiply
    13,935.55x = 19,212.07 × 9,949.74
  4. Step 4: Simplify right side
    13,935.55x = 191,155,101.36
  5. Step 5: Solve for x
    x = 191,155,101.36/13,935.55
  6. Step 6: Final answer
    x = 13,717.08

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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.