Home / 20,568.02-28,384.37-12,614.63

Finding the Fourth Proportional to 20,568.02, 28,384.37 and 12,614.63

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Solution

The fourth proportional to 20,568.02, 28,384.37 and 12,614.63 is: 17,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.02 : 28,384.37 = 12,614.63 : x
  2. Step 2: Convert to fraction form
    20,568.02/28,384.37 = 12,614.63/x
  3. Step 3: Cross multiply
    20,568.02x = 28,384.37 × 12,614.63
  4. Step 4: Simplify right side
    20,568.02x = 358,058,120.34
  5. Step 5: Solve for x
    x = 358,058,120.34/20,568.02
  6. Step 6: Final answer
    x = 17,408.49

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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.