Home / 14,672.39-20,247.90-8,384.77

Finding the Fourth Proportional to 14,672.39, 20,247.90 and 8,384.77

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Solution

The fourth proportional to 14,672.39, 20,247.90 and 8,384.77 is: 11,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.39 : 20,247.90 = 8,384.77 : x
  2. Step 2: Convert to fraction form
    14,672.39/20,247.90 = 8,384.77/x
  3. Step 3: Cross multiply
    14,672.39x = 20,247.90 × 8,384.77
  4. Step 4: Simplify right side
    14,672.39x = 169,773,888.04
  5. Step 5: Solve for x
    x = 169,773,888.04/14,672.39
  6. Step 6: Final answer
    x = 11,570.98

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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.