Home / 10,193.28-14,065.36-5,655.90

Finding the Fourth Proportional to 10,193.28, 14,065.36 and 5,655.90

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Solution

The fourth proportional to 10,193.28, 14,065.36 and 5,655.90 is: 7,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.28 : 14,065.36 = 5,655.90 : x
  2. Step 2: Convert to fraction form
    10,193.28/14,065.36 = 5,655.90/x
  3. Step 3: Cross multiply
    10,193.28x = 14,065.36 × 5,655.90
  4. Step 4: Simplify right side
    10,193.28x = 79,552,269.62
  5. Step 5: Solve for x
    x = 79,552,269.62/10,193.28
  6. Step 6: Final answer
    x = 7,804.38

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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.