Home / 19,307.56-28,959.48-6,157.60

Finding the Fourth Proportional to 19,307.56, 28,959.48 and 6,157.60

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Solution

The fourth proportional to 19,307.56, 28,959.48 and 6,157.60 is: 9,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.56 : 28,959.48 = 6,157.60 : x
  2. Step 2: Convert to fraction form
    19,307.56/28,959.48 = 6,157.60/x
  3. Step 3: Cross multiply
    19,307.56x = 28,959.48 × 6,157.60
  4. Step 4: Simplify right side
    19,307.56x = 178,320,894.05
  5. Step 5: Solve for x
    x = 178,320,894.05/19,307.56
  6. Step 6: Final answer
    x = 9,235.81

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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.