Home / 12,004.55-16,566.28-6,699.40

Finding the Fourth Proportional to 12,004.55, 16,566.28 and 6,699.40

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Solution

The fourth proportional to 12,004.55, 16,566.28 and 6,699.40 is: 9,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.55 : 16,566.28 = 6,699.40 : x
  2. Step 2: Convert to fraction form
    12,004.55/16,566.28 = 6,699.40/x
  3. Step 3: Cross multiply
    12,004.55x = 16,566.28 × 6,699.40
  4. Step 4: Simplify right side
    12,004.55x = 110,984,136.23
  5. Step 5: Solve for x
    x = 110,984,136.23/12,004.55
  6. Step 6: Final answer
    x = 9,245.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.