Home / 10,464.98-15,684.70-5,784.80

Finding the Fourth Proportional to 10,464.98, 15,684.70 and 5,784.80

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Solution

The fourth proportional to 10,464.98, 15,684.70 and 5,784.80 is: 8,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.98 : 15,684.70 = 5,784.80 : x
  2. Step 2: Convert to fraction form
    10,464.98/15,684.70 = 5,784.80/x
  3. Step 3: Cross multiply
    10,464.98x = 15,684.70 × 5,784.80
  4. Step 4: Simplify right side
    10,464.98x = 90,732,852.56
  5. Step 5: Solve for x
    x = 90,732,852.56/10,464.98
  6. Step 6: Final answer
    x = 8,670.14

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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.