Home / 12,930.02-19,396.99-5,534.50

Finding the Fourth Proportional to 12,930.02, 19,396.99 and 5,534.50

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Solution

The fourth proportional to 12,930.02, 19,396.99 and 5,534.50 is: 8,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930.02 : 19,396.99 = 5,534.50 : x
  2. Step 2: Convert to fraction form
    12,930.02/19,396.99 = 5,534.50/x
  3. Step 3: Cross multiply
    12,930.02x = 19,396.99 × 5,534.50
  4. Step 4: Simplify right side
    12,930.02x = 107,352,641.16
  5. Step 5: Solve for x
    x = 107,352,641.16/12,930.02
  6. Step 6: Final answer
    x = 8,302.59

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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.