Home / 11,779.63-16,256.01-6,402.07

Finding the Fourth Proportional to 11,779.63, 16,256.01 and 6,402.07

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Solution

The fourth proportional to 11,779.63, 16,256.01 and 6,402.07 is: 8,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.63 : 16,256.01 = 6,402.07 : x
  2. Step 2: Convert to fraction form
    11,779.63/16,256.01 = 6,402.07/x
  3. Step 3: Cross multiply
    11,779.63x = 16,256.01 × 6,402.07
  4. Step 4: Simplify right side
    11,779.63x = 104,072,066.83
  5. Step 5: Solve for x
    x = 104,072,066.83/11,779.63
  6. Step 6: Final answer
    x = 8,834.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.