Home / 13,840.80-19,080.52-8,532.08

Finding the Fourth Proportional to 13,840.80, 19,080.52 and 8,532.08

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Solution

The fourth proportional to 13,840.80, 19,080.52 and 8,532.08 is: 11,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.80 : 19,080.52 = 8,532.08 : x
  2. Step 2: Convert to fraction form
    13,840.80/19,080.52 = 8,532.08/x
  3. Step 3: Cross multiply
    13,840.80x = 19,080.52 × 8,532.08
  4. Step 4: Simplify right side
    13,840.80x = 162,796,523.08
  5. Step 5: Solve for x
    x = 162,796,523.08/13,840.80
  6. Step 6: Final answer
    x = 11,762.07

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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.