Home / 13,192.90-18,208.26-7,527.64

Finding the Fourth Proportional to 13,192.90, 18,208.26 and 7,527.64

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Solution

The fourth proportional to 13,192.90, 18,208.26 and 7,527.64 is: 10,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.90 : 18,208.26 = 7,527.64 : x
  2. Step 2: Convert to fraction form
    13,192.90/18,208.26 = 7,527.64/x
  3. Step 3: Cross multiply
    13,192.90x = 18,208.26 × 7,527.64
  4. Step 4: Simplify right side
    13,192.90x = 137,065,226.31
  5. Step 5: Solve for x
    x = 137,065,226.31/13,192.90
  6. Step 6: Final answer
    x = 10,389.32

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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.