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Finding the Fourth Proportional to 13,301, 19,951.60 and 5,903.47

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Solution

The fourth proportional to 13,301, 19,951.60 and 5,903.47 is: 8,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301 : 19,951.60 = 5,903.47 : x
  2. Step 2: Convert to fraction form
    13,301/19,951.60 = 5,903.47/x
  3. Step 3: Cross multiply
    13,301x = 19,951.60 × 5,903.47
  4. Step 4: Simplify right side
    13,301x = 117,783,672.05
  5. Step 5: Solve for x
    x = 117,783,672.05/13,301
  6. Step 6: Final answer
    x = 8,855.25

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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.