Home / 9,386.18-14,079.72-7,739.70

Finding the Fourth Proportional to 9,386.18, 14,079.72 and 7,739.70

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Solution

The fourth proportional to 9,386.18, 14,079.72 and 7,739.70 is: 11,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.18 : 14,079.72 = 7,739.70 : x
  2. Step 2: Convert to fraction form
    9,386.18/14,079.72 = 7,739.70/x
  3. Step 3: Cross multiply
    9,386.18x = 14,079.72 × 7,739.70
  4. Step 4: Simplify right side
    9,386.18x = 108,972,864.31
  5. Step 5: Solve for x
    x = 108,972,864.31/9,386.18
  6. Step 6: Final answer
    x = 11,609.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.