Home / 15,447.61-23,172.34-4,355.25

Finding the Fourth Proportional to 15,447.61, 23,172.34 and 4,355.25

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Solution

The fourth proportional to 15,447.61, 23,172.34 and 4,355.25 is: 6,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.61 : 23,172.34 = 4,355.25 : x
  2. Step 2: Convert to fraction form
    15,447.61/23,172.34 = 4,355.25/x
  3. Step 3: Cross multiply
    15,447.61x = 23,172.34 × 4,355.25
  4. Step 4: Simplify right side
    15,447.61x = 100,921,217.92
  5. Step 5: Solve for x
    x = 100,921,217.92/15,447.61
  6. Step 6: Final answer
    x = 6,533.13

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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.