Home / 9,939.40-13,717.08-6,576.34

Finding the Fourth Proportional to 9,939.40, 13,717.08 and 6,576.34

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Solution

The fourth proportional to 9,939.40, 13,717.08 and 6,576.34 is: 9,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.40 : 13,717.08 = 6,576.34 : x
  2. Step 2: Convert to fraction form
    9,939.40/13,717.08 = 6,576.34/x
  3. Step 3: Cross multiply
    9,939.40x = 13,717.08 × 6,576.34
  4. Step 4: Simplify right side
    9,939.40x = 90,208,181.89
  5. Step 5: Solve for x
    x = 90,208,181.89/9,939.40
  6. Step 6: Final answer
    x = 9,075.82

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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.