Home / 9,869.85-14,799.21-8,702.64

Finding the Fourth Proportional to 9,869.85, 14,799.21 and 8,702.64

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Solution

The fourth proportional to 9,869.85, 14,799.21 and 8,702.64 is: 13,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.85 : 14,799.21 = 8,702.64 : x
  2. Step 2: Convert to fraction form
    9,869.85/14,799.21 = 8,702.64/x
  3. Step 3: Cross multiply
    9,869.85x = 14,799.21 × 8,702.64
  4. Step 4: Simplify right side
    9,869.85x = 128,792,164.28
  5. Step 5: Solve for x
    x = 128,792,164.28/9,869.85
  6. Step 6: Final answer
    x = 13,049.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.