Home / 15,485.76-23,228.37-5,097.60

Finding the Fourth Proportional to 15,485.76, 23,228.37 and 5,097.60

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Solution

The fourth proportional to 15,485.76, 23,228.37 and 5,097.60 is: 7,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.76 : 23,228.37 = 5,097.60 : x
  2. Step 2: Convert to fraction form
    15,485.76/23,228.37 = 5,097.60/x
  3. Step 3: Cross multiply
    15,485.76x = 23,228.37 × 5,097.60
  4. Step 4: Simplify right side
    15,485.76x = 118,408,938.91
  5. Step 5: Solve for x
    x = 118,408,938.91/15,485.76
  6. Step 6: Final answer
    x = 7,646.31

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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.