Home / 11,378.46-15,700.36-6,341.56

Finding the Fourth Proportional to 11,378.46, 15,700.36 and 6,341.56

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Solution

The fourth proportional to 11,378.46, 15,700.36 and 6,341.56 is: 8,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.46 : 15,700.36 = 6,341.56 : x
  2. Step 2: Convert to fraction form
    11,378.46/15,700.36 = 6,341.56/x
  3. Step 3: Cross multiply
    11,378.46x = 15,700.36 × 6,341.56
  4. Step 4: Simplify right side
    11,378.46x = 99,564,774.96
  5. Step 5: Solve for x
    x = 99,564,774.96/11,378.46
  6. Step 6: Final answer
    x = 8,750.29

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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.