Home / 10,033.61-13,845.74-5,784.45

Finding the Fourth Proportional to 10,033.61, 13,845.74 and 5,784.45

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Solution

The fourth proportional to 10,033.61, 13,845.74 and 5,784.45 is: 7,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,033.61 : 13,845.74 = 5,784.45 : x
  2. Step 2: Convert to fraction form
    10,033.61/13,845.74 = 5,784.45/x
  3. Step 3: Cross multiply
    10,033.61x = 13,845.74 × 5,784.45
  4. Step 4: Simplify right side
    10,033.61x = 80,089,909.90
  5. Step 5: Solve for x
    x = 80,089,909.90/10,033.61
  6. Step 6: Final answer
    x = 7,982.17

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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.