Home / 15,435.21-21,299.48-9,062.07

Finding the Fourth Proportional to 15,435.21, 21,299.48 and 9,062.07

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Solution

The fourth proportional to 15,435.21, 21,299.48 and 9,062.07 is: 12,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.21 : 21,299.48 = 9,062.07 : x
  2. Step 2: Convert to fraction form
    15,435.21/21,299.48 = 9,062.07/x
  3. Step 3: Cross multiply
    15,435.21x = 21,299.48 × 9,062.07
  4. Step 4: Simplify right side
    15,435.21x = 193,017,378.72
  5. Step 5: Solve for x
    x = 193,017,378.72/15,435.21
  6. Step 6: Final answer
    x = 12,505.01

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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.