Home / 10,387.91-14,334.81-5,911.24

Finding the Fourth Proportional to 10,387.91, 14,334.81 and 5,911.24

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Solution

The fourth proportional to 10,387.91, 14,334.81 and 5,911.24 is: 8,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.91 : 14,334.81 = 5,911.24 : x
  2. Step 2: Convert to fraction form
    10,387.91/14,334.81 = 5,911.24/x
  3. Step 3: Cross multiply
    10,387.91x = 14,334.81 × 5,911.24
  4. Step 4: Simplify right side
    10,387.91x = 84,736,502.26
  5. Step 5: Solve for x
    x = 84,736,502.26/10,387.91
  6. Step 6: Final answer
    x = 8,157.22

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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.