Home / 15,636.20-23,441.44-7,312.08

Finding the Fourth Proportional to 15,636.20, 23,441.44 and 7,312.08

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Solution

The fourth proportional to 15,636.20, 23,441.44 and 7,312.08 is: 10,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.20 : 23,441.44 = 7,312.08 : x
  2. Step 2: Convert to fraction form
    15,636.20/23,441.44 = 7,312.08/x
  3. Step 3: Cross multiply
    15,636.20x = 23,441.44 × 7,312.08
  4. Step 4: Simplify right side
    15,636.20x = 171,405,684.60
  5. Step 5: Solve for x
    x = 171,405,684.60/15,636.20
  6. Step 6: Final answer
    x = 10,962.11

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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.