Home / 10,090.40-13,925.08-5,553.26

Finding the Fourth Proportional to 10,090.40, 13,925.08 and 5,553.26

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Solution

The fourth proportional to 10,090.40, 13,925.08 and 5,553.26 is: 7,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.40 : 13,925.08 = 5,553.26 : x
  2. Step 2: Convert to fraction form
    10,090.40/13,925.08 = 5,553.26/x
  3. Step 3: Cross multiply
    10,090.40x = 13,925.08 × 5,553.26
  4. Step 4: Simplify right side
    10,090.40x = 77,329,589.76
  5. Step 5: Solve for x
    x = 77,329,589.76/10,090.40
  6. Step 6: Final answer
    x = 7,663.68

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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.