Home / 10,784.93-14,803.68-9,579.65

Finding the Fourth Proportional to 10,784.93, 14,803.68 and 9,579.65

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Solution

The fourth proportional to 10,784.93, 14,803.68 and 9,579.65 is: 13,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.93 : 14,803.68 = 9,579.65 : x
  2. Step 2: Convert to fraction form
    10,784.93/14,803.68 = 9,579.65/x
  3. Step 3: Cross multiply
    10,784.93x = 14,803.68 × 9,579.65
  4. Step 4: Simplify right side
    10,784.93x = 141,814,110.12
  5. Step 5: Solve for x
    x = 141,814,110.12/10,784.93
  6. Step 6: Final answer
    x = 13,149.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.