Home / 18,706.36-25,814.10-10,322.68

Finding the Fourth Proportional to 18,706.36, 25,814.10 and 10,322.68

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Solution

The fourth proportional to 18,706.36, 25,814.10 and 10,322.68 is: 14,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.36 : 25,814.10 = 10,322.68 : x
  2. Step 2: Convert to fraction form
    18,706.36/25,814.10 = 10,322.68/x
  3. Step 3: Cross multiply
    18,706.36x = 25,814.10 × 10,322.68
  4. Step 4: Simplify right side
    18,706.36x = 266,470,693.79
  5. Step 5: Solve for x
    x = 266,470,693.79/18,706.36
  6. Step 6: Final answer
    x = 14,244.92

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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.