Home / 19,541.64-29,316.51-7,855.77

Finding the Fourth Proportional to 19,541.64, 29,316.51 and 7,855.77

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Solution

The fourth proportional to 19,541.64, 29,316.51 and 7,855.77 is: 11,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.64 : 29,316.51 = 7,855.77 : x
  2. Step 2: Convert to fraction form
    19,541.64/29,316.51 = 7,855.77/x
  3. Step 3: Cross multiply
    19,541.64x = 29,316.51 × 7,855.77
  4. Step 4: Simplify right side
    19,541.64x = 230,303,759.76
  5. Step 5: Solve for x
    x = 230,303,759.76/19,541.64
  6. Step 6: Final answer
    x = 11,785.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.