Home / 10,205.02-15,313.43-4,281.38

Finding the Fourth Proportional to 10,205.02, 15,313.43 and 4,281.38

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Solution

The fourth proportional to 10,205.02, 15,313.43 and 4,281.38 is: 6,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.02 : 15,313.43 = 4,281.38 : x
  2. Step 2: Convert to fraction form
    10,205.02/15,313.43 = 4,281.38/x
  3. Step 3: Cross multiply
    10,205.02x = 15,313.43 × 4,281.38
  4. Step 4: Simplify right side
    10,205.02x = 65,562,536.37
  5. Step 5: Solve for x
    x = 65,562,536.37/10,205.02
  6. Step 6: Final answer
    x = 6,424.54

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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.