Home / 12,533.04-18,804.42-5,140.98

Finding the Fourth Proportional to 12,533.04, 18,804.42 and 5,140.98

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Solution

The fourth proportional to 12,533.04, 18,804.42 and 5,140.98 is: 7,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.04 : 18,804.42 = 5,140.98 : x
  2. Step 2: Convert to fraction form
    12,533.04/18,804.42 = 5,140.98/x
  3. Step 3: Cross multiply
    12,533.04x = 18,804.42 × 5,140.98
  4. Step 4: Simplify right side
    12,533.04x = 96,673,147.13
  5. Step 5: Solve for x
    x = 96,673,147.13/12,533.04
  6. Step 6: Final answer
    x = 7,713.46

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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.