Home / 15,853.28-23,779.89-4,759.95

Finding the Fourth Proportional to 15,853.28, 23,779.89 and 4,759.95

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Solution

The fourth proportional to 15,853.28, 23,779.89 and 4,759.95 is: 7,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.28 : 23,779.89 = 4,759.95 : x
  2. Step 2: Convert to fraction form
    15,853.28/23,779.89 = 4,759.95/x
  3. Step 3: Cross multiply
    15,853.28x = 23,779.89 × 4,759.95
  4. Step 4: Simplify right side
    15,853.28x = 113,191,087.41
  5. Step 5: Solve for x
    x = 113,191,087.41/15,853.28
  6. Step 6: Final answer
    x = 7,139.92

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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.