Home / 13,495.02-18,625.40-8,193.38

Finding the Fourth Proportional to 13,495.02, 18,625.40 and 8,193.38

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Solution

The fourth proportional to 13,495.02, 18,625.40 and 8,193.38 is: 11,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.02 : 18,625.40 = 8,193.38 : x
  2. Step 2: Convert to fraction form
    13,495.02/18,625.40 = 8,193.38/x
  3. Step 3: Cross multiply
    13,495.02x = 18,625.40 × 8,193.38
  4. Step 4: Simplify right side
    13,495.02x = 152,604,845.76
  5. Step 5: Solve for x
    x = 152,604,845.76/13,495.02
  6. Step 6: Final answer
    x = 11,308.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.