Home / 15,890.81-23,828.82-5,895.15

Finding the Fourth Proportional to 15,890.81, 23,828.82 and 5,895.15

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Solution

The fourth proportional to 15,890.81, 23,828.82 and 5,895.15 is: 8,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.81 : 23,828.82 = 5,895.15 : x
  2. Step 2: Convert to fraction form
    15,890.81/23,828.82 = 5,895.15/x
  3. Step 3: Cross multiply
    15,890.81x = 23,828.82 × 5,895.15
  4. Step 4: Simplify right side
    15,890.81x = 140,474,468.22
  5. Step 5: Solve for x
    x = 140,474,468.22/15,890.81
  6. Step 6: Final answer
    x = 8,839.98

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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.