Home / 10,740.76-14,822.20-6,263.64

Finding the Fourth Proportional to 10,740.76, 14,822.20 and 6,263.64

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Solution

The fourth proportional to 10,740.76, 14,822.20 and 6,263.64 is: 8,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.76 : 14,822.20 = 6,263.64 : x
  2. Step 2: Convert to fraction form
    10,740.76/14,822.20 = 6,263.64/x
  3. Step 3: Cross multiply
    10,740.76x = 14,822.20 × 6,263.64
  4. Step 4: Simplify right side
    10,740.76x = 92,840,924.81
  5. Step 5: Solve for x
    x = 92,840,924.81/10,740.76
  6. Step 6: Final answer
    x = 8,643.79

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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.