Home / 10,783.08-14,880.58-6,806.76

Finding the Fourth Proportional to 10,783.08, 14,880.58 and 6,806.76

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Solution

The fourth proportional to 10,783.08, 14,880.58 and 6,806.76 is: 9,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.08 : 14,880.58 = 6,806.76 : x
  2. Step 2: Convert to fraction form
    10,783.08/14,880.58 = 6,806.76/x
  3. Step 3: Cross multiply
    10,783.08x = 14,880.58 × 6,806.76
  4. Step 4: Simplify right side
    10,783.08x = 101,288,536.72
  5. Step 5: Solve for x
    x = 101,288,536.72/10,783.08
  6. Step 6: Final answer
    x = 9,393.28

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Half scale
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Double scale
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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.