Home / 13,011.06-19,518.64-4,243.94

Finding the Fourth Proportional to 13,011.06, 19,518.64 and 4,243.94

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Solution

The fourth proportional to 13,011.06, 19,518.64 and 4,243.94 is: 6,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.06 : 19,518.64 = 4,243.94 : x
  2. Step 2: Convert to fraction form
    13,011.06/19,518.64 = 4,243.94/x
  3. Step 3: Cross multiply
    13,011.06x = 19,518.64 × 4,243.94
  4. Step 4: Simplify right side
    13,011.06x = 82,835,937.04
  5. Step 5: Solve for x
    x = 82,835,937.04/13,011.06
  6. Step 6: Final answer
    x = 6,366.58

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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.