Home / 10,779.10-16,168.65-3,384.13

Finding the Fourth Proportional to 10,779.10, 16,168.65 and 3,384.13

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Solution

The fourth proportional to 10,779.10, 16,168.65 and 3,384.13 is: 5,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.10 : 16,168.65 = 3,384.13 : x
  2. Step 2: Convert to fraction form
    10,779.10/16,168.65 = 3,384.13/x
  3. Step 3: Cross multiply
    10,779.10x = 16,168.65 × 3,384.13
  4. Step 4: Simplify right side
    10,779.10x = 54,716,813.52
  5. Step 5: Solve for x
    x = 54,716,813.52/10,779.10
  6. Step 6: Final answer
    x = 5,076.20

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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.