Home / 9,686.29-13,362.13-6,331.07

Finding the Fourth Proportional to 9,686.29, 13,362.13 and 6,331.07

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Solution

The fourth proportional to 9,686.29, 13,362.13 and 6,331.07 is: 8,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.29 : 13,362.13 = 6,331.07 : x
  2. Step 2: Convert to fraction form
    9,686.29/13,362.13 = 6,331.07/x
  3. Step 3: Cross multiply
    9,686.29x = 13,362.13 × 6,331.07
  4. Step 4: Simplify right side
    9,686.29x = 84,596,580.38
  5. Step 5: Solve for x
    x = 84,596,580.38/9,686.29
  6. Step 6: Final answer
    x = 8,733.64

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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.