Home / 9,811.47-14,705.87-4,263.78

Finding the Fourth Proportional to 9,811.47, 14,705.87 and 4,263.78

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Solution

The fourth proportional to 9,811.47, 14,705.87 and 4,263.78 is: 6,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.47 : 14,705.87 = 4,263.78 : x
  2. Step 2: Convert to fraction form
    9,811.47/14,705.87 = 4,263.78/x
  3. Step 3: Cross multiply
    9,811.47x = 14,705.87 × 4,263.78
  4. Step 4: Simplify right side
    9,811.47x = 62,702,573.07
  5. Step 5: Solve for x
    x = 62,702,573.07/9,811.47
  6. Step 6: Final answer
    x = 6,390.74

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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.