Home / 10,388.37-15,582.56-4,845.59

Finding the Fourth Proportional to 10,388.37, 15,582.56 and 4,845.59

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Solution

The fourth proportional to 10,388.37, 15,582.56 and 4,845.59 is: 7,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.37 : 15,582.56 = 4,845.59 : x
  2. Step 2: Convert to fraction form
    10,388.37/15,582.56 = 4,845.59/x
  3. Step 3: Cross multiply
    10,388.37x = 15,582.56 × 4,845.59
  4. Step 4: Simplify right side
    10,388.37x = 75,506,696.91
  5. Step 5: Solve for x
    x = 75,506,696.91/10,388.37
  6. Step 6: Final answer
    x = 7,268.39

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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.