Home / 12,002.90-16,563.96-6,970.07

Finding the Fourth Proportional to 12,002.90, 16,563.96 and 6,970.07

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Solution

The fourth proportional to 12,002.90, 16,563.96 and 6,970.07 is: 9,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.90 : 16,563.96 = 6,970.07 : x
  2. Step 2: Convert to fraction form
    12,002.90/16,563.96 = 6,970.07/x
  3. Step 3: Cross multiply
    12,002.90x = 16,563.96 × 6,970.07
  4. Step 4: Simplify right side
    12,002.90x = 115,451,877.86
  5. Step 5: Solve for x
    x = 115,451,877.86/12,002.90
  6. Step 6: Final answer
    x = 9,618.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.