Home / 13,504.60-18,645.02-8,475.72

Finding the Fourth Proportional to 13,504.60, 18,645.02 and 8,475.72

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Solution

The fourth proportional to 13,504.60, 18,645.02 and 8,475.72 is: 11,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.60 : 18,645.02 = 8,475.72 : x
  2. Step 2: Convert to fraction form
    13,504.60/18,645.02 = 8,475.72/x
  3. Step 3: Cross multiply
    13,504.60x = 18,645.02 × 8,475.72
  4. Step 4: Simplify right side
    13,504.60x = 158,029,968.91
  5. Step 5: Solve for x
    x = 158,029,968.91/13,504.60
  6. Step 6: Final answer
    x = 11,701.94

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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.