Home / 14,731.60-20,336.57-9,429.49

Finding the Fourth Proportional to 14,731.60, 20,336.57 and 9,429.49

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Solution

The fourth proportional to 14,731.60, 20,336.57 and 9,429.49 is: 13,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.60 : 20,336.57 = 9,429.49 : x
  2. Step 2: Convert to fraction form
    14,731.60/20,336.57 = 9,429.49/x
  3. Step 3: Cross multiply
    14,731.60x = 20,336.57 × 9,429.49
  4. Step 4: Simplify right side
    14,731.60x = 191,763,439.89
  5. Step 5: Solve for x
    x = 191,763,439.89/14,731.60
  6. Step 6: Final answer
    x = 13,017.15

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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.