Home / 19,011.20-28,529.70-6,699.20

Finding the Fourth Proportional to 19,011.20, 28,529.70 and 6,699.20

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Solution

The fourth proportional to 19,011.20, 28,529.70 and 6,699.20 is: 10,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.20 : 28,529.70 = 6,699.20 : x
  2. Step 2: Convert to fraction form
    19,011.20/28,529.70 = 6,699.20/x
  3. Step 3: Cross multiply
    19,011.20x = 28,529.70 × 6,699.20
  4. Step 4: Simplify right side
    19,011.20x = 191,126,166.24
  5. Step 5: Solve for x
    x = 191,126,166.24/19,011.20
  6. Step 6: Final answer
    x = 10,053.35

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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.