Home / 19,089.62-28,667.01-12,437.50

Finding the Fourth Proportional to 19,089.62, 28,667.01 and 12,437.50

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Solution

The fourth proportional to 19,089.62, 28,667.01 and 12,437.50 is: 18,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.62 : 28,667.01 = 12,437.50 : x
  2. Step 2: Convert to fraction form
    19,089.62/28,667.01 = 12,437.50/x
  3. Step 3: Cross multiply
    19,089.62x = 28,667.01 × 12,437.50
  4. Step 4: Simplify right side
    19,089.62x = 356,545,965.60
  5. Step 5: Solve for x
    x = 356,545,965.60/19,089.62
  6. Step 6: Final answer
    x = 18,677.47

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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.