Home / 13,099.35-18,071.40-8,734.92

Finding the Fourth Proportional to 13,099.35, 18,071.40 and 8,734.92

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Solution

The fourth proportional to 13,099.35, 18,071.40 and 8,734.92 is: 12,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.35 : 18,071.40 = 8,734.92 : x
  2. Step 2: Convert to fraction form
    13,099.35/18,071.40 = 8,734.92/x
  3. Step 3: Cross multiply
    13,099.35x = 18,071.40 × 8,734.92
  4. Step 4: Simplify right side
    13,099.35x = 157,852,233.29
  5. Step 5: Solve for x
    x = 157,852,233.29/13,099.35
  6. Step 6: Final answer
    x = 12,050.39

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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.