Home / 15,399.23-23,088.46-12,441.31

Finding the Fourth Proportional to 15,399.23, 23,088.46 and 12,441.31

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Solution

The fourth proportional to 15,399.23, 23,088.46 and 12,441.31 is: 18,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.23 : 23,088.46 = 12,441.31 : x
  2. Step 2: Convert to fraction form
    15,399.23/23,088.46 = 12,441.31/x
  3. Step 3: Cross multiply
    15,399.23x = 23,088.46 × 12,441.31
  4. Step 4: Simplify right side
    15,399.23x = 287,250,688.28
  5. Step 5: Solve for x
    x = 287,250,688.28/15,399.23
  6. Step 6: Final answer
    x = 18,653.57

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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.