Home / 10,214.48-15,323.16-3,287.36

Finding the Fourth Proportional to 10,214.48, 15,323.16 and 3,287.36

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Solution

The fourth proportional to 10,214.48, 15,323.16 and 3,287.36 is: 4,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.48 : 15,323.16 = 3,287.36 : x
  2. Step 2: Convert to fraction form
    10,214.48/15,323.16 = 3,287.36/x
  3. Step 3: Cross multiply
    10,214.48x = 15,323.16 × 3,287.36
  4. Step 4: Simplify right side
    10,214.48x = 50,372,743.26
  5. Step 5: Solve for x
    x = 50,372,743.26/10,214.48
  6. Step 6: Final answer
    x = 4,931.50

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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.