Home / 19,087.45-28,602.15-9,214.90

Finding the Fourth Proportional to 19,087.45, 28,602.15 and 9,214.90

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Solution

The fourth proportional to 19,087.45, 28,602.15 and 9,214.90 is: 13,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.45 : 28,602.15 = 9,214.90 : x
  2. Step 2: Convert to fraction form
    19,087.45/28,602.15 = 9,214.90/x
  3. Step 3: Cross multiply
    19,087.45x = 28,602.15 × 9,214.90
  4. Step 4: Simplify right side
    19,087.45x = 263,565,952.04
  5. Step 5: Solve for x
    x = 263,565,952.04/19,087.45
  6. Step 6: Final answer
    x = 13,808.34

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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.