Home / 15,607.12-23,405.81-5,216.44

Finding the Fourth Proportional to 15,607.12, 23,405.81 and 5,216.44

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Solution

The fourth proportional to 15,607.12, 23,405.81 and 5,216.44 is: 7,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.12 : 23,405.81 = 5,216.44 : x
  2. Step 2: Convert to fraction form
    15,607.12/23,405.81 = 5,216.44/x
  3. Step 3: Cross multiply
    15,607.12x = 23,405.81 × 5,216.44
  4. Step 4: Simplify right side
    15,607.12x = 122,095,003.52
  5. Step 5: Solve for x
    x = 122,095,003.52/15,607.12
  6. Step 6: Final answer
    x = 7,823.03

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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.