Home / 12,708.45-17,527.98-11,133.81

Finding the Fourth Proportional to 12,708.45, 17,527.98 and 11,133.81

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Solution

The fourth proportional to 12,708.45, 17,527.98 and 11,133.81 is: 15,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.45 : 17,527.98 = 11,133.81 : x
  2. Step 2: Convert to fraction form
    12,708.45/17,527.98 = 11,133.81/x
  3. Step 3: Cross multiply
    12,708.45x = 17,527.98 × 11,133.81
  4. Step 4: Simplify right side
    12,708.45x = 195,153,199.00
  5. Step 5: Solve for x
    x = 195,153,199.00/12,708.45
  6. Step 6: Final answer
    x = 15,356.18

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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.