Home / 10,409.82-14,363.88-6,432.24

Finding the Fourth Proportional to 10,409.82, 14,363.88 and 6,432.24

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Solution

The fourth proportional to 10,409.82, 14,363.88 and 6,432.24 is: 8,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.82 : 14,363.88 = 6,432.24 : x
  2. Step 2: Convert to fraction form
    10,409.82/14,363.88 = 6,432.24/x
  3. Step 3: Cross multiply
    10,409.82x = 14,363.88 × 6,432.24
  4. Step 4: Simplify right side
    10,409.82x = 92,391,923.49
  5. Step 5: Solve for x
    x = 92,391,923.49/10,409.82
  6. Step 6: Final answer
    x = 8,875.46

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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.