Home / 9,639.07-13,303.34-6,102.61

Finding the Fourth Proportional to 9,639.07, 13,303.34 and 6,102.61

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Solution

The fourth proportional to 9,639.07, 13,303.34 and 6,102.61 is: 8,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.07 : 13,303.34 = 6,102.61 : x
  2. Step 2: Convert to fraction form
    9,639.07/13,303.34 = 6,102.61/x
  3. Step 3: Cross multiply
    9,639.07x = 13,303.34 × 6,102.61
  4. Step 4: Simplify right side
    9,639.07x = 81,185,054.83
  5. Step 5: Solve for x
    x = 81,185,054.83/9,639.07
  6. Step 6: Final answer
    x = 8,422.50

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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.