Home / 11,931.18-17,894.34-4,533.05

Finding the Fourth Proportional to 11,931.18, 17,894.34 and 4,533.05

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Solution

The fourth proportional to 11,931.18, 17,894.34 and 4,533.05 is: 6,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.18 : 17,894.34 = 4,533.05 : x
  2. Step 2: Convert to fraction form
    11,931.18/17,894.34 = 4,533.05/x
  3. Step 3: Cross multiply
    11,931.18x = 17,894.34 × 4,533.05
  4. Step 4: Simplify right side
    11,931.18x = 81,115,848.47
  5. Step 5: Solve for x
    x = 81,115,848.47/11,931.18
  6. Step 6: Final answer
    x = 6,798.64

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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.