Home / 10,779.52-16,169.28-3,384.63

Finding the Fourth Proportional to 10,779.52, 16,169.28 and 3,384.63

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Solution

The fourth proportional to 10,779.52, 16,169.28 and 3,384.63 is: 5,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.52 : 16,169.28 = 3,384.63 : x
  2. Step 2: Convert to fraction form
    10,779.52/16,169.28 = 3,384.63/x
  3. Step 3: Cross multiply
    10,779.52x = 16,169.28 × 3,384.63
  4. Step 4: Simplify right side
    10,779.52x = 54,727,030.17
  5. Step 5: Solve for x
    x = 54,727,030.17/10,779.52
  6. Step 6: Final answer
    x = 5,076.95

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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.