Home / 9,659.30-14,478.15-4,111.70

Finding the Fourth Proportional to 9,659.30, 14,478.15 and 4,111.70

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Solution

The fourth proportional to 9,659.30, 14,478.15 and 4,111.70 is: 6,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.30 : 14,478.15 = 4,111.70 : x
  2. Step 2: Convert to fraction form
    9,659.30/14,478.15 = 4,111.70/x
  3. Step 3: Cross multiply
    9,659.30x = 14,478.15 × 4,111.70
  4. Step 4: Simplify right side
    9,659.30x = 59,529,809.36
  5. Step 5: Solve for x
    x = 59,529,809.36/9,659.30
  6. Step 6: Final answer
    x = 6,162.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.