Home / 15,533.08-21,435.07-9,493.43

Finding the Fourth Proportional to 15,533.08, 21,435.07 and 9,493.43

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Solution

The fourth proportional to 15,533.08, 21,435.07 and 9,493.43 is: 13,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.08 : 21,435.07 = 9,493.43 : x
  2. Step 2: Convert to fraction form
    15,533.08/21,435.07 = 9,493.43/x
  3. Step 3: Cross multiply
    15,533.08x = 21,435.07 × 9,493.43
  4. Step 4: Simplify right side
    15,533.08x = 203,492,270.42
  5. Step 5: Solve for x
    x = 203,492,270.42/15,533.08
  6. Step 6: Final answer
    x = 13,100.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.