Home / 10,387.37-14,329.65-7,553.49

Finding the Fourth Proportional to 10,387.37, 14,329.65 and 7,553.49

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Solution

The fourth proportional to 10,387.37, 14,329.65 and 7,553.49 is: 10,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.37 : 14,329.65 = 7,553.49 : x
  2. Step 2: Convert to fraction form
    10,387.37/14,329.65 = 7,553.49/x
  3. Step 3: Cross multiply
    10,387.37x = 14,329.65 × 7,553.49
  4. Step 4: Simplify right side
    10,387.37x = 108,238,867.98
  5. Step 5: Solve for x
    x = 108,238,867.98/10,387.37
  6. Step 6: Final answer
    x = 10,420.24

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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.