Home / 12,356.29-17,045.26-7,577.35

Finding the Fourth Proportional to 12,356.29, 17,045.26 and 7,577.35

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Solution

The fourth proportional to 12,356.29, 17,045.26 and 7,577.35 is: 10,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.29 : 17,045.26 = 7,577.35 : x
  2. Step 2: Convert to fraction form
    12,356.29/17,045.26 = 7,577.35/x
  3. Step 3: Cross multiply
    12,356.29x = 17,045.26 × 7,577.35
  4. Step 4: Simplify right side
    12,356.29x = 129,157,900.86
  5. Step 5: Solve for x
    x = 129,157,900.86/12,356.29
  6. Step 6: Final answer
    x = 10,452.81

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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.