Home / 14,510.36-20,007.21-13,434.34

Finding the Fourth Proportional to 14,510.36, 20,007.21 and 13,434.34

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Solution

The fourth proportional to 14,510.36, 20,007.21 and 13,434.34 is: 18,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.36 : 20,007.21 = 13,434.34 : x
  2. Step 2: Convert to fraction form
    14,510.36/20,007.21 = 13,434.34/x
  3. Step 3: Cross multiply
    14,510.36x = 20,007.21 × 13,434.34
  4. Step 4: Simplify right side
    14,510.36x = 268,783,674.28
  5. Step 5: Solve for x
    x = 268,783,674.28/14,510.36
  6. Step 6: Final answer
    x = 18,523.56

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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.