Home / 13,429.84-20,054.28-10,969.52

Finding the Fourth Proportional to 13,429.84, 20,054.28 and 10,969.52

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Solution

The fourth proportional to 13,429.84, 20,054.28 and 10,969.52 is: 16,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.84 : 20,054.28 = 10,969.52 : x
  2. Step 2: Convert to fraction form
    13,429.84/20,054.28 = 10,969.52/x
  3. Step 3: Cross multiply
    13,429.84x = 20,054.28 × 10,969.52
  4. Step 4: Simplify right side
    13,429.84x = 219,985,825.55
  5. Step 5: Solve for x
    x = 219,985,825.55/13,429.84
  6. Step 6: Final answer
    x = 16,380.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.