Home / 14,212.96-21,329.12-7,292.32

Finding the Fourth Proportional to 14,212.96, 21,329.12 and 7,292.32

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Solution

The fourth proportional to 14,212.96, 21,329.12 and 7,292.32 is: 10,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.96 : 21,329.12 = 7,292.32 : x
  2. Step 2: Convert to fraction form
    14,212.96/21,329.12 = 7,292.32/x
  3. Step 3: Cross multiply
    14,212.96x = 21,329.12 × 7,292.32
  4. Step 4: Simplify right side
    14,212.96x = 155,538,768.36
  5. Step 5: Solve for x
    x = 155,538,768.36/14,212.96
  6. Step 6: Final answer
    x = 10,943.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.