Home / 12,112.29-16,714.89-6,807.06

Finding the Fourth Proportional to 12,112.29, 16,714.89 and 6,807.06

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Solution

The fourth proportional to 12,112.29, 16,714.89 and 6,807.06 is: 9,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.29 : 16,714.89 = 6,807.06 : x
  2. Step 2: Convert to fraction form
    12,112.29/16,714.89 = 6,807.06/x
  3. Step 3: Cross multiply
    12,112.29x = 16,714.89 × 6,807.06
  4. Step 4: Simplify right side
    12,112.29x = 113,779,259.12
  5. Step 5: Solve for x
    x = 113,779,259.12/12,112.29
  6. Step 6: Final answer
    x = 9,393.70

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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.