Home / 19,270.68-28,886.40-7,567.80

Finding the Fourth Proportional to 19,270.68, 28,886.40 and 7,567.80

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Solution

The fourth proportional to 19,270.68, 28,886.40 and 7,567.80 is: 11,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.68 : 28,886.40 = 7,567.80 : x
  2. Step 2: Convert to fraction form
    19,270.68/28,886.40 = 7,567.80/x
  3. Step 3: Cross multiply
    19,270.68x = 28,886.40 × 7,567.80
  4. Step 4: Simplify right side
    19,270.68x = 218,606,497.92
  5. Step 5: Solve for x
    x = 218,606,497.92/19,270.68
  6. Step 6: Final answer
    x = 11,344.00

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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.