Home / 20,384.34-30,526.67-12,039.58

Finding the Fourth Proportional to 20,384.34, 30,526.67 and 12,039.58

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Solution

The fourth proportional to 20,384.34, 30,526.67 and 12,039.58 is: 18,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384.34 : 30,526.67 = 12,039.58 : x
  2. Step 2: Convert to fraction form
    20,384.34/30,526.67 = 12,039.58/x
  3. Step 3: Cross multiply
    20,384.34x = 30,526.67 × 12,039.58
  4. Step 4: Simplify right side
    20,384.34x = 367,528,353.86
  5. Step 5: Solve for x
    x = 367,528,353.86/20,384.34
  6. Step 6: Final answer
    x = 18,029.94

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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.