Home / 13,328.25-19,970.49-4,558.38

Finding the Fourth Proportional to 13,328.25, 19,970.49 and 4,558.38

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Solution

The fourth proportional to 13,328.25, 19,970.49 and 4,558.38 is: 6,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.25 : 19,970.49 = 4,558.38 : x
  2. Step 2: Convert to fraction form
    13,328.25/19,970.49 = 4,558.38/x
  3. Step 3: Cross multiply
    13,328.25x = 19,970.49 × 4,558.38
  4. Step 4: Simplify right side
    13,328.25x = 91,033,082.21
  5. Step 5: Solve for x
    x = 91,033,082.21/13,328.25
  6. Step 6: Final answer
    x = 6,830.09

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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.