Home / 9,860.45-13,599.70-6,323.99

Finding the Fourth Proportional to 9,860.45, 13,599.70 and 6,323.99

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Solution

The fourth proportional to 9,860.45, 13,599.70 and 6,323.99 is: 8,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.45 : 13,599.70 = 6,323.99 : x
  2. Step 2: Convert to fraction form
    9,860.45/13,599.70 = 6,323.99/x
  3. Step 3: Cross multiply
    9,860.45x = 13,599.70 × 6,323.99
  4. Step 4: Simplify right side
    9,860.45x = 86,004,366.80
  5. Step 5: Solve for x
    x = 86,004,366.80/9,860.45
  6. Step 6: Final answer
    x = 8,722.15

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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.