Home / 19,163.30-26,445.32-10,779.80

Finding the Fourth Proportional to 19,163.30, 26,445.32 and 10,779.80

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Solution

The fourth proportional to 19,163.30, 26,445.32 and 10,779.80 is: 14,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.30 : 26,445.32 = 10,779.80 : x
  2. Step 2: Convert to fraction form
    19,163.30/26,445.32 = 10,779.80/x
  3. Step 3: Cross multiply
    19,163.30x = 26,445.32 × 10,779.80
  4. Step 4: Simplify right side
    19,163.30x = 285,075,206.64
  5. Step 5: Solve for x
    x = 285,075,206.64/19,163.30
  6. Step 6: Final answer
    x = 14,876.10

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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.