Home / 10,820.08-14,934.48-6,631.84

Finding the Fourth Proportional to 10,820.08, 14,934.48 and 6,631.84

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Solution

The fourth proportional to 10,820.08, 14,934.48 and 6,631.84 is: 9,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.08 : 14,934.48 = 6,631.84 : x
  2. Step 2: Convert to fraction form
    10,820.08/14,934.48 = 6,631.84/x
  3. Step 3: Cross multiply
    10,820.08x = 14,934.48 × 6,631.84
  4. Step 4: Simplify right side
    10,820.08x = 99,043,081.84
  5. Step 5: Solve for x
    x = 99,043,081.84/10,820.08
  6. Step 6: Final answer
    x = 9,153.64

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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.