Home / 10,653.57-15,987.42-3,728.07

Finding the Fourth Proportional to 10,653.57, 15,987.42 and 3,728.07

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Solution

The fourth proportional to 10,653.57, 15,987.42 and 3,728.07 is: 5,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.57 : 15,987.42 = 3,728.07 : x
  2. Step 2: Convert to fraction form
    10,653.57/15,987.42 = 3,728.07/x
  3. Step 3: Cross multiply
    10,653.57x = 15,987.42 × 3,728.07
  4. Step 4: Simplify right side
    10,653.57x = 59,602,220.88
  5. Step 5: Solve for x
    x = 59,602,220.88/10,653.57
  6. Step 6: Final answer
    x = 5,594.58

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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.