Home / 14,809.34-20,433.60-8,521.72

Finding the Fourth Proportional to 14,809.34, 20,433.60 and 8,521.72

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Solution

The fourth proportional to 14,809.34, 20,433.60 and 8,521.72 is: 11,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.34 : 20,433.60 = 8,521.72 : x
  2. Step 2: Convert to fraction form
    14,809.34/20,433.60 = 8,521.72/x
  3. Step 3: Cross multiply
    14,809.34x = 20,433.60 × 8,521.72
  4. Step 4: Simplify right side
    14,809.34x = 174,129,366.71
  5. Step 5: Solve for x
    x = 174,129,366.71/14,809.34
  6. Step 6: Final answer
    x = 11,758.08

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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.