Home / 10,254.30-14,141.19-7,440.30

Finding the Fourth Proportional to 10,254.30, 14,141.19 and 7,440.30

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Solution

The fourth proportional to 10,254.30, 14,141.19 and 7,440.30 is: 10,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.30 : 14,141.19 = 7,440.30 : x
  2. Step 2: Convert to fraction form
    10,254.30/14,141.19 = 7,440.30/x
  3. Step 3: Cross multiply
    10,254.30x = 14,141.19 × 7,440.30
  4. Step 4: Simplify right side
    10,254.30x = 105,214,695.96
  5. Step 5: Solve for x
    x = 105,214,695.96/10,254.30
  6. Step 6: Final answer
    x = 10,260.54

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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.