Home / 19,029.70-28,501.35-9,784.90

Finding the Fourth Proportional to 19,029.70, 28,501.35 and 9,784.90

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Solution

The fourth proportional to 19,029.70, 28,501.35 and 9,784.90 is: 14,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.70 : 28,501.35 = 9,784.90 : x
  2. Step 2: Convert to fraction form
    19,029.70/28,501.35 = 9,784.90/x
  3. Step 3: Cross multiply
    19,029.70x = 28,501.35 × 9,784.90
  4. Step 4: Simplify right side
    19,029.70x = 278,882,859.62
  5. Step 5: Solve for x
    x = 278,882,859.62/19,029.70
  6. Step 6: Final answer
    x = 14,655.14

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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.