Home / 13,219.39-19,828.11-4,895.53

Finding the Fourth Proportional to 13,219.39, 19,828.11 and 4,895.53

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Solution

The fourth proportional to 13,219.39, 19,828.11 and 4,895.53 is: 7,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.39 : 19,828.11 = 4,895.53 : x
  2. Step 2: Convert to fraction form
    13,219.39/19,828.11 = 4,895.53/x
  3. Step 3: Cross multiply
    13,219.39x = 19,828.11 × 4,895.53
  4. Step 4: Simplify right side
    13,219.39x = 97,069,107.35
  5. Step 5: Solve for x
    x = 97,069,107.35/13,219.39
  6. Step 6: Final answer
    x = 7,342.93

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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.