Home / 10,662.84-15,988.90-6,222.02

Finding the Fourth Proportional to 10,662.84, 15,988.90 and 6,222.02

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Solution

The fourth proportional to 10,662.84, 15,988.90 and 6,222.02 is: 9,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.84 : 15,988.90 = 6,222.02 : x
  2. Step 2: Convert to fraction form
    10,662.84/15,988.90 = 6,222.02/x
  3. Step 3: Cross multiply
    10,662.84x = 15,988.90 × 6,222.02
  4. Step 4: Simplify right side
    10,662.84x = 99,483,255.58
  5. Step 5: Solve for x
    x = 99,483,255.58/10,662.84
  6. Step 6: Final answer
    x = 9,329.90

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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.