Home / 15,431.37-23,147.02-5,570.65

Finding the Fourth Proportional to 15,431.37, 23,147.02 and 5,570.65

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Solution

The fourth proportional to 15,431.37, 23,147.02 and 5,570.65 is: 8,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.37 : 23,147.02 = 5,570.65 : x
  2. Step 2: Convert to fraction form
    15,431.37/23,147.02 = 5,570.65/x
  3. Step 3: Cross multiply
    15,431.37x = 23,147.02 × 5,570.65
  4. Step 4: Simplify right side
    15,431.37x = 128,943,946.96
  5. Step 5: Solve for x
    x = 128,943,946.96/15,431.37
  6. Step 6: Final answer
    x = 8,355.96

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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.