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Finding the Fourth Proportional to 14,603.15, 21,904.73 and 4,743.19

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Solution

The fourth proportional to 14,603.15, 21,904.73 and 4,743.19 is: 7,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.15 : 21,904.73 = 4,743.19 : x
  2. Step 2: Convert to fraction form
    14,603.15/21,904.73 = 4,743.19/x
  3. Step 3: Cross multiply
    14,603.15x = 21,904.73 × 4,743.19
  4. Step 4: Simplify right side
    14,603.15x = 103,898,317.74
  5. Step 5: Solve for x
    x = 103,898,317.74/14,603.15
  6. Step 6: Final answer
    x = 7,114.79

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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.