Home / 13,072.52-18,048.54-10,688.24

Finding the Fourth Proportional to 13,072.52, 18,048.54 and 10,688.24

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Solution

The fourth proportional to 13,072.52, 18,048.54 and 10,688.24 is: 14,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.52 : 18,048.54 = 10,688.24 : x
  2. Step 2: Convert to fraction form
    13,072.52/18,048.54 = 10,688.24/x
  3. Step 3: Cross multiply
    13,072.52x = 18,048.54 × 10,688.24
  4. Step 4: Simplify right side
    13,072.52x = 192,907,127.17
  5. Step 5: Solve for x
    x = 192,907,127.17/13,072.52
  6. Step 6: Final answer
    x = 14,756.69

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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.