Home / 13,072.47-19,606.63-10,865.47

Finding the Fourth Proportional to 13,072.47, 19,606.63 and 10,865.47

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Solution

The fourth proportional to 13,072.47, 19,606.63 and 10,865.47 is: 16,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.47 : 19,606.63 = 10,865.47 : x
  2. Step 2: Convert to fraction form
    13,072.47/19,606.63 = 10,865.47/x
  3. Step 3: Cross multiply
    13,072.47x = 19,606.63 × 10,865.47
  4. Step 4: Simplify right side
    13,072.47x = 213,035,250.07
  5. Step 5: Solve for x
    x = 213,035,250.07/13,072.47
  6. Step 6: Final answer
    x = 16,296.48

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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.