Home / 17,330.72-23,919.34-9,779.20

Finding the Fourth Proportional to 17,330.72, 23,919.34 and 9,779.20

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Solution

The fourth proportional to 17,330.72, 23,919.34 and 9,779.20 is: 13,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,330.72 : 23,919.34 = 9,779.20 : x
  2. Step 2: Convert to fraction form
    17,330.72/23,919.34 = 9,779.20/x
  3. Step 3: Cross multiply
    17,330.72x = 23,919.34 × 9,779.20
  4. Step 4: Simplify right side
    17,330.72x = 233,911,914.58
  5. Step 5: Solve for x
    x = 233,911,914.58/17,330.72
  6. Step 6: Final answer
    x = 13,496.95

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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.