Home / 10,387.24-14,329.41-7,550.21

Finding the Fourth Proportional to 10,387.24, 14,329.41 and 7,550.21

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Solution

The fourth proportional to 10,387.24, 14,329.41 and 7,550.21 is: 10,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.24 : 14,329.41 = 7,550.21 : x
  2. Step 2: Convert to fraction form
    10,387.24/14,329.41 = 7,550.21/x
  3. Step 3: Cross multiply
    10,387.24x = 14,329.41 × 7,550.21
  4. Step 4: Simplify right side
    10,387.24x = 108,190,062.19
  5. Step 5: Solve for x
    x = 108,190,062.19/10,387.24
  6. Step 6: Final answer
    x = 10,415.67

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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.