Home / 14,779.20-20,395.01-8,064.66

Finding the Fourth Proportional to 14,779.20, 20,395.01 and 8,064.66

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Solution

The fourth proportional to 14,779.20, 20,395.01 and 8,064.66 is: 11,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.20 : 20,395.01 = 8,064.66 : x
  2. Step 2: Convert to fraction form
    14,779.20/20,395.01 = 8,064.66/x
  3. Step 3: Cross multiply
    14,779.20x = 20,395.01 × 8,064.66
  4. Step 4: Simplify right side
    14,779.20x = 164,478,841.51
  5. Step 5: Solve for x
    x = 164,478,841.51/14,779.20
  6. Step 6: Final answer
    x = 11,129.08

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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.