Home / 10,260.30-14,157.45-5,721.96

Finding the Fourth Proportional to 10,260.30, 14,157.45 and 5,721.96

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Solution

The fourth proportional to 10,260.30, 14,157.45 and 5,721.96 is: 7,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.30 : 14,157.45 = 5,721.96 : x
  2. Step 2: Convert to fraction form
    10,260.30/14,157.45 = 5,721.96/x
  3. Step 3: Cross multiply
    10,260.30x = 14,157.45 × 5,721.96
  4. Step 4: Simplify right side
    10,260.30x = 81,008,362.60
  5. Step 5: Solve for x
    x = 81,008,362.60/10,260.30
  6. Step 6: Final answer
    x = 7,895.32

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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.