Home / 11,219.04-16,828.56-6,281.28

Finding the Fourth Proportional to 11,219.04, 16,828.56 and 6,281.28

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Solution

The fourth proportional to 11,219.04, 16,828.56 and 6,281.28 is: 9,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.04 : 16,828.56 = 6,281.28 : x
  2. Step 2: Convert to fraction form
    11,219.04/16,828.56 = 6,281.28/x
  3. Step 3: Cross multiply
    11,219.04x = 16,828.56 × 6,281.28
  4. Step 4: Simplify right side
    11,219.04x = 105,704,897.36
  5. Step 5: Solve for x
    x = 105,704,897.36/11,219.04
  6. Step 6: Final answer
    x = 9,421.92

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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.