Home / 15,680.21-23,533.04-8,289.23

Finding the Fourth Proportional to 15,680.21, 23,533.04 and 8,289.23

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Solution

The fourth proportional to 15,680.21, 23,533.04 and 8,289.23 is: 12,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.21 : 23,533.04 = 8,289.23 : x
  2. Step 2: Convert to fraction form
    15,680.21/23,533.04 = 8,289.23/x
  3. Step 3: Cross multiply
    15,680.21x = 23,533.04 × 8,289.23
  4. Step 4: Simplify right side
    15,680.21x = 195,070,739.71
  5. Step 5: Solve for x
    x = 195,070,739.71/15,680.21
  6. Step 6: Final answer
    x = 12,440.57

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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.