Home / 10,080.30-15,060.75-9,735.78

Finding the Fourth Proportional to 10,080.30, 15,060.75 and 9,735.78

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Solution

The fourth proportional to 10,080.30, 15,060.75 and 9,735.78 is: 14,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.30 : 15,060.75 = 9,735.78 : x
  2. Step 2: Convert to fraction form
    10,080.30/15,060.75 = 9,735.78/x
  3. Step 3: Cross multiply
    10,080.30x = 15,060.75 × 9,735.78
  4. Step 4: Simplify right side
    10,080.30x = 146,628,148.64
  5. Step 5: Solve for x
    x = 146,628,148.64/10,080.30
  6. Step 6: Final answer
    x = 14,546.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.