Home / 10,254.89-14,148.30-8,363.19

Finding the Fourth Proportional to 10,254.89, 14,148.30 and 8,363.19

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Solution

The fourth proportional to 10,254.89, 14,148.30 and 8,363.19 is: 11,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.89 : 14,148.30 = 8,363.19 : x
  2. Step 2: Convert to fraction form
    10,254.89/14,148.30 = 8,363.19/x
  3. Step 3: Cross multiply
    10,254.89x = 14,148.30 × 8,363.19
  4. Step 4: Simplify right side
    10,254.89x = 118,324,835.45
  5. Step 5: Solve for x
    x = 118,324,835.45/10,254.89
  6. Step 6: Final answer
    x = 11,538.38

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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.