Home / 9,107.37-12,567.29-6,718.65

Finding the Fourth Proportional to 9,107.37, 12,567.29 and 6,718.65

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Solution

The fourth proportional to 9,107.37, 12,567.29 and 6,718.65 is: 9,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.37 : 12,567.29 = 6,718.65 : x
  2. Step 2: Convert to fraction form
    9,107.37/12,567.29 = 6,718.65/x
  3. Step 3: Cross multiply
    9,107.37x = 12,567.29 × 6,718.65
  4. Step 4: Simplify right side
    9,107.37x = 84,435,142.24
  5. Step 5: Solve for x
    x = 84,435,142.24/9,107.37
  6. Step 6: Final answer
    x = 9,271.08

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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.