Home / 10,647.69-15,966.24-6,206.86

Finding the Fourth Proportional to 10,647.69, 15,966.24 and 6,206.86

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Solution

The fourth proportional to 10,647.69, 15,966.24 and 6,206.86 is: 9,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.69 : 15,966.24 = 6,206.86 : x
  2. Step 2: Convert to fraction form
    10,647.69/15,966.24 = 6,206.86/x
  3. Step 3: Cross multiply
    10,647.69x = 15,966.24 × 6,206.86
  4. Step 4: Simplify right side
    10,647.69x = 99,100,216.41
  5. Step 5: Solve for x
    x = 99,100,216.41/10,647.69
  6. Step 6: Final answer
    x = 9,307.20

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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.