Home / 11,219.28-16,828.86-2,898.59

Finding the Fourth Proportional to 11,219.28, 16,828.86 and 2,898.59

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Solution

The fourth proportional to 11,219.28, 16,828.86 and 2,898.59 is: 4,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.28 : 16,828.86 = 2,898.59 : x
  2. Step 2: Convert to fraction form
    11,219.28/16,828.86 = 2,898.59/x
  3. Step 3: Cross multiply
    11,219.28x = 16,828.86 × 2,898.59
  4. Step 4: Simplify right side
    11,219.28x = 48,779,892.03
  5. Step 5: Solve for x
    x = 48,779,892.03/11,219.28
  6. Step 6: Final answer
    x = 4,347.86

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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.