Home / 13,877.32-19,151.16-7,589.70

Finding the Fourth Proportional to 13,877.32, 19,151.16 and 7,589.70

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Solution

The fourth proportional to 13,877.32, 19,151.16 and 7,589.70 is: 10,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.32 : 19,151.16 = 7,589.70 : x
  2. Step 2: Convert to fraction form
    13,877.32/19,151.16 = 7,589.70/x
  3. Step 3: Cross multiply
    13,877.32x = 19,151.16 × 7,589.70
  4. Step 4: Simplify right side
    13,877.32x = 145,351,455.05
  5. Step 5: Solve for x
    x = 145,351,455.05/13,877.32
  6. Step 6: Final answer
    x = 10,474.03

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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.