Home / 9,945.63-14,918.65-7,962.05

Finding the Fourth Proportional to 9,945.63, 14,918.65 and 7,962.05

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Solution

The fourth proportional to 9,945.63, 14,918.65 and 7,962.05 is: 11,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.63 : 14,918.65 = 7,962.05 : x
  2. Step 2: Convert to fraction form
    9,945.63/14,918.65 = 7,962.05/x
  3. Step 3: Cross multiply
    9,945.63x = 14,918.65 × 7,962.05
  4. Step 4: Simplify right side
    9,945.63x = 118,783,037.23
  5. Step 5: Solve for x
    x = 118,783,037.23/9,945.63
  6. Step 6: Final answer
    x = 11,943.24

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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.