Home / 19,699.12-29,559.72-10,464.88

Finding the Fourth Proportional to 19,699.12, 29,559.72 and 10,464.88

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Solution

The fourth proportional to 19,699.12, 29,559.72 and 10,464.88 is: 15,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.12 : 29,559.72 = 10,464.88 : x
  2. Step 2: Convert to fraction form
    19,699.12/29,559.72 = 10,464.88/x
  3. Step 3: Cross multiply
    19,699.12x = 29,559.72 × 10,464.88
  4. Step 4: Simplify right side
    19,699.12x = 309,338,922.63
  5. Step 5: Solve for x
    x = 309,338,922.63/19,699.12
  6. Step 6: Final answer
    x = 15,703.18

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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.