Home / 14,946.14-20,639.67-9,366.86

Finding the Fourth Proportional to 14,946.14, 20,639.67 and 9,366.86

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Solution

The fourth proportional to 14,946.14, 20,639.67 and 9,366.86 is: 12,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.14 : 20,639.67 = 9,366.86 : x
  2. Step 2: Convert to fraction form
    14,946.14/20,639.67 = 9,366.86/x
  3. Step 3: Cross multiply
    14,946.14x = 20,639.67 × 9,366.86
  4. Step 4: Simplify right side
    14,946.14x = 193,328,899.34
  5. Step 5: Solve for x
    x = 193,328,899.34/14,946.14
  6. Step 6: Final answer
    x = 12,935.04

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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.