Home / 9,864.81-13,617.29-6,676.56

Finding the Fourth Proportional to 9,864.81, 13,617.29 and 6,676.56

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Solution

The fourth proportional to 9,864.81, 13,617.29 and 6,676.56 is: 9,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.81 : 13,617.29 = 6,676.56 : x
  2. Step 2: Convert to fraction form
    9,864.81/13,617.29 = 6,676.56/x
  3. Step 3: Cross multiply
    9,864.81x = 13,617.29 × 6,676.56
  4. Step 4: Simplify right side
    9,864.81x = 90,916,670.41
  5. Step 5: Solve for x
    x = 90,916,670.41/9,864.81
  6. Step 6: Final answer
    x = 9,216.26

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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.