Home / 10,818.08-14,931.72-6,629.84

Finding the Fourth Proportional to 10,818.08, 14,931.72 and 6,629.84

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Solution

The fourth proportional to 10,818.08, 14,931.72 and 6,629.84 is: 9,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.08 : 14,931.72 = 6,629.84 : x
  2. Step 2: Convert to fraction form
    10,818.08/14,931.72 = 6,629.84/x
  3. Step 3: Cross multiply
    10,818.08x = 14,931.72 × 6,629.84
  4. Step 4: Simplify right side
    10,818.08x = 98,994,914.52
  5. Step 5: Solve for x
    x = 98,994,914.52/10,818.08
  6. Step 6: Final answer
    x = 9,150.88

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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.