Home / 22,779.40-34,188.30-10,318.60

Finding the Fourth Proportional to 22,779.40, 34,188.30 and 10,318.60

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Solution

The fourth proportional to 22,779.40, 34,188.30 and 10,318.60 is: 15,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.40 : 34,188.30 = 10,318.60 : x
  2. Step 2: Convert to fraction form
    22,779.40/34,188.30 = 10,318.60/x
  3. Step 3: Cross multiply
    22,779.40x = 34,188.30 × 10,318.60
  4. Step 4: Simplify right side
    22,779.40x = 352,775,392.38
  5. Step 5: Solve for x
    x = 352,775,392.38/22,779.40
  6. Step 6: Final answer
    x = 15,486.60

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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.