Home / 18,708.35-25,817.13-10,210.64

Finding the Fourth Proportional to 18,708.35, 25,817.13 and 10,210.64

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Solution

The fourth proportional to 18,708.35, 25,817.13 and 10,210.64 is: 14,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.35 : 25,817.13 = 10,210.64 : x
  2. Step 2: Convert to fraction form
    18,708.35/25,817.13 = 10,210.64/x
  3. Step 3: Cross multiply
    18,708.35x = 25,817.13 × 10,210.64
  4. Step 4: Simplify right side
    18,708.35x = 263,609,291.18
  5. Step 5: Solve for x
    x = 263,609,291.18/18,708.35
  6. Step 6: Final answer
    x = 14,090.47

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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.