Home / 19,205.34-28,820.18-7,518.25

Finding the Fourth Proportional to 19,205.34, 28,820.18 and 7,518.25

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Solution

The fourth proportional to 19,205.34, 28,820.18 and 7,518.25 is: 11,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.34 : 28,820.18 = 7,518.25 : x
  2. Step 2: Convert to fraction form
    19,205.34/28,820.18 = 7,518.25/x
  3. Step 3: Cross multiply
    19,205.34x = 28,820.18 × 7,518.25
  4. Step 4: Simplify right side
    19,205.34x = 216,677,318.29
  5. Step 5: Solve for x
    x = 216,677,318.29/19,205.34
  6. Step 6: Final answer
    x = 11,282.14

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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.