Home / 14,798.26-20,420.26-8,338.95

Finding the Fourth Proportional to 14,798.26, 20,420.26 and 8,338.95

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Solution

The fourth proportional to 14,798.26, 20,420.26 and 8,338.95 is: 11,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.26 : 20,420.26 = 8,338.95 : x
  2. Step 2: Convert to fraction form
    14,798.26/20,420.26 = 8,338.95/x
  3. Step 3: Cross multiply
    14,798.26x = 20,420.26 × 8,338.95
  4. Step 4: Simplify right side
    14,798.26x = 170,283,537.55
  5. Step 5: Solve for x
    x = 170,283,537.55/14,798.26
  6. Step 6: Final answer
    x = 11,507.00

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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.