Home / 13,281.19-19,922.69-4,396.50

Finding the Fourth Proportional to 13,281.19, 19,922.69 and 4,396.50

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Solution

The fourth proportional to 13,281.19, 19,922.69 and 4,396.50 is: 6,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.19 : 19,922.69 = 4,396.50 : x
  2. Step 2: Convert to fraction form
    13,281.19/19,922.69 = 4,396.50/x
  3. Step 3: Cross multiply
    13,281.19x = 19,922.69 × 4,396.50
  4. Step 4: Simplify right side
    13,281.19x = 87,590,117.58
  5. Step 5: Solve for x
    x = 87,590,117.58/13,281.19
  6. Step 6: Final answer
    x = 6,595.05

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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.