Home / 10,390.68-14,334.57-6,196.50

Finding the Fourth Proportional to 10,390.68, 14,334.57 and 6,196.50

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Solution

The fourth proportional to 10,390.68, 14,334.57 and 6,196.50 is: 8,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.68 : 14,334.57 = 6,196.50 : x
  2. Step 2: Convert to fraction form
    10,390.68/14,334.57 = 6,196.50/x
  3. Step 3: Cross multiply
    10,390.68x = 14,334.57 × 6,196.50
  4. Step 4: Simplify right side
    10,390.68x = 88,824,163.01
  5. Step 5: Solve for x
    x = 88,824,163.01/10,390.68
  6. Step 6: Final answer
    x = 8,548.45

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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.