Home / 16,405.19-24,605.65-5,310.75

Finding the Fourth Proportional to 16,405.19, 24,605.65 and 5,310.75

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Solution

The fourth proportional to 16,405.19, 24,605.65 and 5,310.75 is: 7,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.19 : 24,605.65 = 5,310.75 : x
  2. Step 2: Convert to fraction form
    16,405.19/24,605.65 = 5,310.75/x
  3. Step 3: Cross multiply
    16,405.19x = 24,605.65 × 5,310.75
  4. Step 4: Simplify right side
    16,405.19x = 130,674,455.74
  5. Step 5: Solve for x
    x = 130,674,455.74/16,405.19
  6. Step 6: Final answer
    x = 7,965.43

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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.