Home / 10,775.21-14,869.46-6,528.78

Finding the Fourth Proportional to 10,775.21, 14,869.46 and 6,528.78

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Solution

The fourth proportional to 10,775.21, 14,869.46 and 6,528.78 is: 9,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.21 : 14,869.46 = 6,528.78 : x
  2. Step 2: Convert to fraction form
    10,775.21/14,869.46 = 6,528.78/x
  3. Step 3: Cross multiply
    10,775.21x = 14,869.46 × 6,528.78
  4. Step 4: Simplify right side
    10,775.21x = 97,079,449.38
  5. Step 5: Solve for x
    x = 97,079,449.38/10,775.21
  6. Step 6: Final answer
    x = 9,009.52

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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.