Home / 13,312.60-18,370.73-8,006.39

Finding the Fourth Proportional to 13,312.60, 18,370.73 and 8,006.39

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Solution

The fourth proportional to 13,312.60, 18,370.73 and 8,006.39 is: 11,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.60 : 18,370.73 = 8,006.39 : x
  2. Step 2: Convert to fraction form
    13,312.60/18,370.73 = 8,006.39/x
  3. Step 3: Cross multiply
    13,312.60x = 18,370.73 × 8,006.39
  4. Step 4: Simplify right side
    13,312.60x = 147,083,228.96
  5. Step 5: Solve for x
    x = 147,083,228.96/13,312.60
  6. Step 6: Final answer
    x = 11,048.42

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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.