Home / 17,784.54-26,678.32-5,303.76

Finding the Fourth Proportional to 17,784.54, 26,678.32 and 5,303.76

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Solution

The fourth proportional to 17,784.54, 26,678.32 and 5,303.76 is: 7,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.54 : 26,678.32 = 5,303.76 : x
  2. Step 2: Convert to fraction form
    17,784.54/26,678.32 = 5,303.76/x
  3. Step 3: Cross multiply
    17,784.54x = 26,678.32 × 5,303.76
  4. Step 4: Simplify right side
    17,784.54x = 141,495,406.48
  5. Step 5: Solve for x
    x = 141,495,406.48/17,784.54
  6. Step 6: Final answer
    x = 7,956.09

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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.