Home / 10,281.93-15,420.46-4,435.35

Finding the Fourth Proportional to 10,281.93, 15,420.46 and 4,435.35

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Solution

The fourth proportional to 10,281.93, 15,420.46 and 4,435.35 is: 6,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.93 : 15,420.46 = 4,435.35 : x
  2. Step 2: Convert to fraction form
    10,281.93/15,420.46 = 4,435.35/x
  3. Step 3: Cross multiply
    10,281.93x = 15,420.46 × 4,435.35
  4. Step 4: Simplify right side
    10,281.93x = 68,395,137.26
  5. Step 5: Solve for x
    x = 68,395,137.26/10,281.93
  6. Step 6: Final answer
    x = 6,651.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.