Home / 13,877.55-19,150.62-7,589.79

Finding the Fourth Proportional to 13,877.55, 19,150.62 and 7,589.79

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Solution

The fourth proportional to 13,877.55, 19,150.62 and 7,589.79 is: 10,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.55 : 19,150.62 = 7,589.79 : x
  2. Step 2: Convert to fraction form
    13,877.55/19,150.62 = 7,589.79/x
  3. Step 3: Cross multiply
    13,877.55x = 19,150.62 × 7,589.79
  4. Step 4: Simplify right side
    13,877.55x = 145,349,088.42
  5. Step 5: Solve for x
    x = 145,349,088.42/13,877.55
  6. Step 6: Final answer
    x = 10,473.69

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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.