Home / 11,673.40-16,108.80-6,368.08

Finding the Fourth Proportional to 11,673.40, 16,108.80 and 6,368.08

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Solution

The fourth proportional to 11,673.40, 16,108.80 and 6,368.08 is: 8,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.40 : 16,108.80 = 6,368.08 : x
  2. Step 2: Convert to fraction form
    11,673.40/16,108.80 = 6,368.08/x
  3. Step 3: Cross multiply
    11,673.40x = 16,108.80 × 6,368.08
  4. Step 4: Simplify right side
    11,673.40x = 102,582,127.10
  5. Step 5: Solve for x
    x = 102,582,127.10/11,673.40
  6. Step 6: Final answer
    x = 8,787.68

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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.