Home / 9,845.45-14,741.75-6,140.31

Finding the Fourth Proportional to 9,845.45, 14,741.75 and 6,140.31

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Solution

The fourth proportional to 9,845.45, 14,741.75 and 6,140.31 is: 9,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.45 : 14,741.75 = 6,140.31 : x
  2. Step 2: Convert to fraction form
    9,845.45/14,741.75 = 6,140.31/x
  3. Step 3: Cross multiply
    9,845.45x = 14,741.75 × 6,140.31
  4. Step 4: Simplify right side
    9,845.45x = 90,518,840.47
  5. Step 5: Solve for x
    x = 90,518,840.47/9,845.45
  6. Step 6: Final answer
    x = 9,193.98

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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.