Home / 9,935.99-13,707.74-6,401.24

Finding the Fourth Proportional to 9,935.99, 13,707.74 and 6,401.24

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Solution

The fourth proportional to 9,935.99, 13,707.74 and 6,401.24 is: 8,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.99 : 13,707.74 = 6,401.24 : x
  2. Step 2: Convert to fraction form
    9,935.99/13,707.74 = 6,401.24/x
  3. Step 3: Cross multiply
    9,935.99x = 13,707.74 × 6,401.24
  4. Step 4: Simplify right side
    9,935.99x = 87,746,433.05
  5. Step 5: Solve for x
    x = 87,746,433.05/9,935.99
  6. Step 6: Final answer
    x = 8,831.18

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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.