Home / 13,877.94-19,151.46-7,590.36

Finding the Fourth Proportional to 13,877.94, 19,151.46 and 7,590.36

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Solution

The fourth proportional to 13,877.94, 19,151.46 and 7,590.36 is: 10,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.94 : 19,151.46 = 7,590.36 : x
  2. Step 2: Convert to fraction form
    13,877.94/19,151.46 = 7,590.36/x
  3. Step 3: Cross multiply
    13,877.94x = 19,151.46 × 7,590.36
  4. Step 4: Simplify right side
    13,877.94x = 145,366,475.93
  5. Step 5: Solve for x
    x = 145,366,475.93/13,877.94
  6. Step 6: Final answer
    x = 10,474.64

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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.