Home / 19,779.41-29,664.23-7,292.66

Finding the Fourth Proportional to 19,779.41, 29,664.23 and 7,292.66

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Solution

The fourth proportional to 19,779.41, 29,664.23 and 7,292.66 is: 10,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.41 : 29,664.23 = 7,292.66 : x
  2. Step 2: Convert to fraction form
    19,779.41/29,664.23 = 7,292.66/x
  3. Step 3: Cross multiply
    19,779.41x = 29,664.23 × 7,292.66
  4. Step 4: Simplify right side
    19,779.41x = 216,330,958.77
  5. Step 5: Solve for x
    x = 216,330,958.77/19,779.41
  6. Step 6: Final answer
    x = 10,937.18

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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.