Home / 13,214.60-19,821.93-4,455.66

Finding the Fourth Proportional to 13,214.60, 19,821.93 and 4,455.66

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Solution

The fourth proportional to 13,214.60, 19,821.93 and 4,455.66 is: 6,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.60 : 19,821.93 = 4,455.66 : x
  2. Step 2: Convert to fraction form
    13,214.60/19,821.93 = 4,455.66/x
  3. Step 3: Cross multiply
    13,214.60x = 19,821.93 × 4,455.66
  4. Step 4: Simplify right side
    13,214.60x = 88,319,780.62
  5. Step 5: Solve for x
    x = 88,319,780.62/13,214.60
  6. Step 6: Final answer
    x = 6,683.50

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1.5x scale

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.