Home / 18,509.11-25,534.74-11,341.82

Finding the Fourth Proportional to 18,509.11, 25,534.74 and 11,341.82

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Solution

The fourth proportional to 18,509.11, 25,534.74 and 11,341.82 is: 15,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.11 : 25,534.74 = 11,341.82 : x
  2. Step 2: Convert to fraction form
    18,509.11/25,534.74 = 11,341.82/x
  3. Step 3: Cross multiply
    18,509.11x = 25,534.74 × 11,341.82
  4. Step 4: Simplify right side
    18,509.11x = 289,610,531.20
  5. Step 5: Solve for x
    x = 289,610,531.20/18,509.11
  6. Step 6: Final answer
    x = 15,646.92

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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.