Home / 9,521.40-14,286.14-5,133.75

Finding the Fourth Proportional to 9,521.40, 14,286.14 and 5,133.75

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Solution

The fourth proportional to 9,521.40, 14,286.14 and 5,133.75 is: 7,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.40 : 14,286.14 = 5,133.75 : x
  2. Step 2: Convert to fraction form
    9,521.40/14,286.14 = 5,133.75/x
  3. Step 3: Cross multiply
    9,521.40x = 14,286.14 × 5,133.75
  4. Step 4: Simplify right side
    9,521.40x = 73,341,471.23
  5. Step 5: Solve for x
    x = 73,341,471.23/9,521.40
  6. Step 6: Final answer
    x = 7,702.80

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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.