Home / 10,387.58-14,333.81-5,911.07

Finding the Fourth Proportional to 10,387.58, 14,333.81 and 5,911.07

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Solution

The fourth proportional to 10,387.58, 14,333.81 and 5,911.07 is: 8,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.58 : 14,333.81 = 5,911.07 : x
  2. Step 2: Convert to fraction form
    10,387.58/14,333.81 = 5,911.07/x
  3. Step 3: Cross multiply
    10,387.58x = 14,333.81 × 5,911.07
  4. Step 4: Simplify right side
    10,387.58x = 84,728,053.05
  5. Step 5: Solve for x
    x = 84,728,053.05/10,387.58
  6. Step 6: Final answer
    x = 8,156.67

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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.