Home / 19,000.18-28,502.09-4,960.45

Finding the Fourth Proportional to 19,000.18, 28,502.09 and 4,960.45

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Solution

The fourth proportional to 19,000.18, 28,502.09 and 4,960.45 is: 7,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.18 : 28,502.09 = 4,960.45 : x
  2. Step 2: Convert to fraction form
    19,000.18/28,502.09 = 4,960.45/x
  3. Step 3: Cross multiply
    19,000.18x = 28,502.09 × 4,960.45
  4. Step 4: Simplify right side
    19,000.18x = 141,383,192.34
  5. Step 5: Solve for x
    x = 141,383,192.34/19,000.18
  6. Step 6: Final answer
    x = 7,441.15

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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.