Home / 13,120.50-19,682.73-4,686.35

Finding the Fourth Proportional to 13,120.50, 19,682.73 and 4,686.35

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Solution

The fourth proportional to 13,120.50, 19,682.73 and 4,686.35 is: 7,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.50 : 19,682.73 = 4,686.35 : x
  2. Step 2: Convert to fraction form
    13,120.50/19,682.73 = 4,686.35/x
  3. Step 3: Cross multiply
    13,120.50x = 19,682.73 × 4,686.35
  4. Step 4: Simplify right side
    13,120.50x = 92,240,063.32
  5. Step 5: Solve for x
    x = 92,240,063.32/13,120.50
  6. Step 6: Final answer
    x = 7,030.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.