Home / 10,623.30-15,912.64-5,071.06

Finding the Fourth Proportional to 10,623.30, 15,912.64 and 5,071.06

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Solution

The fourth proportional to 10,623.30, 15,912.64 and 5,071.06 is: 7,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.30 : 15,912.64 = 5,071.06 : x
  2. Step 2: Convert to fraction form
    10,623.30/15,912.64 = 5,071.06/x
  3. Step 3: Cross multiply
    10,623.30x = 15,912.64 × 5,071.06
  4. Step 4: Simplify right side
    10,623.30x = 80,693,952.20
  5. Step 5: Solve for x
    x = 80,693,952.20/10,623.30
  6. Step 6: Final answer
    x = 7,595.94

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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.