Home / 9,981.41-13,772.45-6,836.45

Finding the Fourth Proportional to 9,981.41, 13,772.45 and 6,836.45

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Solution

The fourth proportional to 9,981.41, 13,772.45 and 6,836.45 is: 9,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.41 : 13,772.45 = 6,836.45 : x
  2. Step 2: Convert to fraction form
    9,981.41/13,772.45 = 6,836.45/x
  3. Step 3: Cross multiply
    9,981.41x = 13,772.45 × 6,836.45
  4. Step 4: Simplify right side
    9,981.41x = 94,154,631.62
  5. Step 5: Solve for x
    x = 94,154,631.62/9,981.41
  6. Step 6: Final answer
    x = 9,433.00

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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.