Home / 12,005.64-16,566.39-6,700.28

Finding the Fourth Proportional to 12,005.64, 16,566.39 and 6,700.28

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Solution

The fourth proportional to 12,005.64, 16,566.39 and 6,700.28 is: 9,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.64 : 16,566.39 = 6,700.28 : x
  2. Step 2: Convert to fraction form
    12,005.64/16,566.39 = 6,700.28/x
  3. Step 3: Cross multiply
    12,005.64x = 16,566.39 × 6,700.28
  4. Step 4: Simplify right side
    12,005.64x = 110,999,368.76
  5. Step 5: Solve for x
    x = 110,999,368.76/12,005.64
  6. Step 6: Final answer
    x = 9,245.60

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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.