Home / 8,747.37-13,106.45-6,145.65

Finding the Fourth Proportional to 8,747.37, 13,106.45 and 6,145.65

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Solution

The fourth proportional to 8,747.37, 13,106.45 and 6,145.65 is: 9,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.37 : 13,106.45 = 6,145.65 : x
  2. Step 2: Convert to fraction form
    8,747.37/13,106.45 = 6,145.65/x
  3. Step 3: Cross multiply
    8,747.37x = 13,106.45 × 6,145.65
  4. Step 4: Simplify right side
    8,747.37x = 80,547,623.71
  5. Step 5: Solve for x
    x = 80,547,623.71/8,747.37
  6. Step 6: Final answer
    x = 9,208.21

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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.