Home / 10,933.81-15,089.42-6,154.21

Finding the Fourth Proportional to 10,933.81, 15,089.42 and 6,154.21

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Solution

The fourth proportional to 10,933.81, 15,089.42 and 6,154.21 is: 8,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.81 : 15,089.42 = 6,154.21 : x
  2. Step 2: Convert to fraction form
    10,933.81/15,089.42 = 6,154.21/x
  3. Step 3: Cross multiply
    10,933.81x = 15,089.42 × 6,154.21
  4. Step 4: Simplify right side
    10,933.81x = 92,863,493.71
  5. Step 5: Solve for x
    x = 92,863,493.71/10,933.81
  6. Step 6: Final answer
    x = 8,493.24

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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.