Home / 18,443.16-25,450.56-10,484.28

Finding the Fourth Proportional to 18,443.16, 25,450.56 and 10,484.28

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Solution

The fourth proportional to 18,443.16, 25,450.56 and 10,484.28 is: 14,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.16 : 25,450.56 = 10,484.28 : x
  2. Step 2: Convert to fraction form
    18,443.16/25,450.56 = 10,484.28/x
  3. Step 3: Cross multiply
    18,443.16x = 25,450.56 × 10,484.28
  4. Step 4: Simplify right side
    18,443.16x = 266,830,797.20
  5. Step 5: Solve for x
    x = 266,830,797.20/18,443.16
  6. Step 6: Final answer
    x = 14,467.74

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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.