Home / 10,171.48-15,228.40-6,464.52

Finding the Fourth Proportional to 10,171.48, 15,228.40 and 6,464.52

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Solution

The fourth proportional to 10,171.48, 15,228.40 and 6,464.52 is: 9,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.48 : 15,228.40 = 6,464.52 : x
  2. Step 2: Convert to fraction form
    10,171.48/15,228.40 = 6,464.52/x
  3. Step 3: Cross multiply
    10,171.48x = 15,228.40 × 6,464.52
  4. Step 4: Simplify right side
    10,171.48x = 98,444,296.37
  5. Step 5: Solve for x
    x = 98,444,296.37/10,171.48
  6. Step 6: Final answer
    x = 9,678.46

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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.