Home / 15,990.32-23,970.87-5,596.40

Finding the Fourth Proportional to 15,990.32, 23,970.87 and 5,596.40

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Solution

The fourth proportional to 15,990.32, 23,970.87 and 5,596.40 is: 8,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.32 : 23,970.87 = 5,596.40 : x
  2. Step 2: Convert to fraction form
    15,990.32/23,970.87 = 5,596.40/x
  3. Step 3: Cross multiply
    15,990.32x = 23,970.87 × 5,596.40
  4. Step 4: Simplify right side
    15,990.32x = 134,150,576.87
  5. Step 5: Solve for x
    x = 134,150,576.87/15,990.32
  6. Step 6: Final answer
    x = 8,389.49

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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.