Home / 13,504.25-18,652.45-9,269.34

Finding the Fourth Proportional to 13,504.25, 18,652.45 and 9,269.34

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Solution

The fourth proportional to 13,504.25, 18,652.45 and 9,269.34 is: 12,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.25 : 18,652.45 = 9,269.34 : x
  2. Step 2: Convert to fraction form
    13,504.25/18,652.45 = 9,269.34/x
  3. Step 3: Cross multiply
    13,504.25x = 18,652.45 × 9,269.34
  4. Step 4: Simplify right side
    13,504.25x = 172,896,008.59
  5. Step 5: Solve for x
    x = 172,896,008.59/13,504.25
  6. Step 6: Final answer
    x = 12,803.08

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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.