Home / 21,693.35-32,511.57-12,337.67

Finding the Fourth Proportional to 21,693.35, 32,511.57 and 12,337.67

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Solution

The fourth proportional to 21,693.35, 32,511.57 and 12,337.67 is: 18,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.35 : 32,511.57 = 12,337.67 : x
  2. Step 2: Convert to fraction form
    21,693.35/32,511.57 = 12,337.67/x
  3. Step 3: Cross multiply
    21,693.35x = 32,511.57 × 12,337.67
  4. Step 4: Simplify right side
    21,693.35x = 401,116,859.28
  5. Step 5: Solve for x
    x = 401,116,859.28/21,693.35
  6. Step 6: Final answer
    x = 18,490.32

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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.