Home / 11,946.31-16,486.47-6,641.22

Finding the Fourth Proportional to 11,946.31, 16,486.47 and 6,641.22

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Solution

The fourth proportional to 11,946.31, 16,486.47 and 6,641.22 is: 9,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.31 : 16,486.47 = 6,641.22 : x
  2. Step 2: Convert to fraction form
    11,946.31/16,486.47 = 6,641.22/x
  3. Step 3: Cross multiply
    11,946.31x = 16,486.47 × 6,641.22
  4. Step 4: Simplify right side
    11,946.31x = 109,490,274.29
  5. Step 5: Solve for x
    x = 109,490,274.29/11,946.31
  6. Step 6: Final answer
    x = 9,165.20

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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.