Home / 15,678.62-23,490.55-13,062.93

Finding the Fourth Proportional to 15,678.62, 23,490.55 and 13,062.93

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Solution

The fourth proportional to 15,678.62, 23,490.55 and 13,062.93 is: 19,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.62 : 23,490.55 = 13,062.93 : x
  2. Step 2: Convert to fraction form
    15,678.62/23,490.55 = 13,062.93/x
  3. Step 3: Cross multiply
    15,678.62x = 23,490.55 × 13,062.93
  4. Step 4: Simplify right side
    15,678.62x = 306,855,410.31
  5. Step 5: Solve for x
    x = 306,855,410.31/15,678.62
  6. Step 6: Final answer
    x = 19,571.58

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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.