Home / 19,265.80-28,905.90-7,587.16

Finding the Fourth Proportional to 19,265.80, 28,905.90 and 7,587.16

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Solution

The fourth proportional to 19,265.80, 28,905.90 and 7,587.16 is: 11,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.80 : 28,905.90 = 7,587.16 : x
  2. Step 2: Convert to fraction form
    19,265.80/28,905.90 = 7,587.16/x
  3. Step 3: Cross multiply
    19,265.80x = 28,905.90 × 7,587.16
  4. Step 4: Simplify right side
    19,265.80x = 219,313,688.24
  5. Step 5: Solve for x
    x = 219,313,688.24/19,265.80
  6. Step 6: Final answer
    x = 11,383.58

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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.