Home / 18,386.98-25,375.36-10,429.90

Finding the Fourth Proportional to 18,386.98, 25,375.36 and 10,429.90

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Solution

The fourth proportional to 18,386.98, 25,375.36 and 10,429.90 is: 14,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.98 : 25,375.36 = 10,429.90 : x
  2. Step 2: Convert to fraction form
    18,386.98/25,375.36 = 10,429.90/x
  3. Step 3: Cross multiply
    18,386.98x = 25,375.36 × 10,429.90
  4. Step 4: Simplify right side
    18,386.98x = 264,662,467.26
  5. Step 5: Solve for x
    x = 264,662,467.26/18,386.98
  6. Step 6: Final answer
    x = 14,394.02

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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.