Home / 13,203.27-19,804.95-5,309.37

Finding the Fourth Proportional to 13,203.27, 19,804.95 and 5,309.37

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Solution

The fourth proportional to 13,203.27, 19,804.95 and 5,309.37 is: 7,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.27 : 19,804.95 = 5,309.37 : x
  2. Step 2: Convert to fraction form
    13,203.27/19,804.95 = 5,309.37/x
  3. Step 3: Cross multiply
    13,203.27x = 19,804.95 × 5,309.37
  4. Step 4: Simplify right side
    13,203.27x = 105,151,807.38
  5. Step 5: Solve for x
    x = 105,151,807.38/13,203.27
  6. Step 6: Final answer
    x = 7,964.07

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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.