Home / 12,677.16-17,495.10-7,372.56

Finding the Fourth Proportional to 12,677.16, 17,495.10 and 7,372.56

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Solution

The fourth proportional to 12,677.16, 17,495.10 and 7,372.56 is: 10,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.16 : 17,495.10 = 7,372.56 : x
  2. Step 2: Convert to fraction form
    12,677.16/17,495.10 = 7,372.56/x
  3. Step 3: Cross multiply
    12,677.16x = 17,495.10 × 7,372.56
  4. Step 4: Simplify right side
    12,677.16x = 128,983,674.46
  5. Step 5: Solve for x
    x = 128,983,674.46/12,677.16
  6. Step 6: Final answer
    x = 10,174.49

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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.