Home / 10,783.28-14,880.26-6,306.77

Finding the Fourth Proportional to 10,783.28, 14,880.26 and 6,306.77

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Solution

The fourth proportional to 10,783.28, 14,880.26 and 6,306.77 is: 8,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.28 : 14,880.26 = 6,306.77 : x
  2. Step 2: Convert to fraction form
    10,783.28/14,880.26 = 6,306.77/x
  3. Step 3: Cross multiply
    10,783.28x = 14,880.26 × 6,306.77
  4. Step 4: Simplify right side
    10,783.28x = 93,846,271.43
  5. Step 5: Solve for x
    x = 93,846,271.43/10,783.28
  6. Step 6: Final answer
    x = 8,702.95

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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.