Home / 21,424.14-32,130.04-7,383.60

Finding the Fourth Proportional to 21,424.14, 32,130.04 and 7,383.60

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Solution

The fourth proportional to 21,424.14, 32,130.04 and 7,383.60 is: 11,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.14 : 32,130.04 = 7,383.60 : x
  2. Step 2: Convert to fraction form
    21,424.14/32,130.04 = 7,383.60/x
  3. Step 3: Cross multiply
    21,424.14x = 32,130.04 × 7,383.60
  4. Step 4: Simplify right side
    21,424.14x = 237,235,363.34
  5. Step 5: Solve for x
    x = 237,235,363.34/21,424.14
  6. Step 6: Final answer
    x = 11,073.27

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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.