Home / 9,999.57-14,991.24-4,160.55

Finding the Fourth Proportional to 9,999.57, 14,991.24 and 4,160.55

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Solution

The fourth proportional to 9,999.57, 14,991.24 and 4,160.55 is: 6,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.57 : 14,991.24 = 4,160.55 : x
  2. Step 2: Convert to fraction form
    9,999.57/14,991.24 = 4,160.55/x
  3. Step 3: Cross multiply
    9,999.57x = 14,991.24 × 4,160.55
  4. Step 4: Simplify right side
    9,999.57x = 62,371,803.58
  5. Step 5: Solve for x
    x = 62,371,803.58/9,999.57
  6. Step 6: Final answer
    x = 6,237.45

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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.