Home / 13,412.07-18,527.00-10,891.35

Finding the Fourth Proportional to 13,412.07, 18,527.00 and 10,891.35

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Solution

The fourth proportional to 13,412.07, 18,527.00 and 10,891.35 is: 15,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.07 : 18,527.00 = 10,891.35 : x
  2. Step 2: Convert to fraction form
    13,412.07/18,527.00 = 10,891.35/x
  3. Step 3: Cross multiply
    13,412.07x = 18,527.00 × 10,891.35
  4. Step 4: Simplify right side
    13,412.07x = 201,783,986.99
  5. Step 5: Solve for x
    x = 201,783,986.99/13,412.07
  6. Step 6: Final answer
    x = 15,044.95

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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.