Home / 14,672.48-20,247.65-8,384.45

Finding the Fourth Proportional to 14,672.48, 20,247.65 and 8,384.45

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Solution

The fourth proportional to 14,672.48, 20,247.65 and 8,384.45 is: 11,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.48 : 20,247.65 = 8,384.45 : x
  2. Step 2: Convert to fraction form
    14,672.48/20,247.65 = 8,384.45/x
  3. Step 3: Cross multiply
    14,672.48x = 20,247.65 × 8,384.45
  4. Step 4: Simplify right side
    14,672.48x = 169,765,265.88
  5. Step 5: Solve for x
    x = 169,765,265.88/14,672.48
  6. Step 6: Final answer
    x = 11,570.32

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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.