Home / 10,160.76-15,266.70-6,464.64

Finding the Fourth Proportional to 10,160.76, 15,266.70 and 6,464.64

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Solution

The fourth proportional to 10,160.76, 15,266.70 and 6,464.64 is: 9,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.76 : 15,266.70 = 6,464.64 : x
  2. Step 2: Convert to fraction form
    10,160.76/15,266.70 = 6,464.64/x
  3. Step 3: Cross multiply
    10,160.76x = 15,266.70 × 6,464.64
  4. Step 4: Simplify right side
    10,160.76x = 98,693,719.49
  5. Step 5: Solve for x
    x = 98,693,719.49/10,160.76
  6. Step 6: Final answer
    x = 9,713.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.