Home / 14,222.08-21,329.93-7,984.88

Finding the Fourth Proportional to 14,222.08, 21,329.93 and 7,984.88

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Solution

The fourth proportional to 14,222.08, 21,329.93 and 7,984.88 is: 11,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.08 : 21,329.93 = 7,984.88 : x
  2. Step 2: Convert to fraction form
    14,222.08/21,329.93 = 7,984.88/x
  3. Step 3: Cross multiply
    14,222.08x = 21,329.93 × 7,984.88
  4. Step 4: Simplify right side
    14,222.08x = 170,316,924.76
  5. Step 5: Solve for x
    x = 170,316,924.76/14,222.08
  6. Step 6: Final answer
    x = 11,975.53

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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.