Home / 15,904.40-23,856.35-4,811.31

Finding the Fourth Proportional to 15,904.40, 23,856.35 and 4,811.31

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Solution

The fourth proportional to 15,904.40, 23,856.35 and 4,811.31 is: 7,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.40 : 23,856.35 = 4,811.31 : x
  2. Step 2: Convert to fraction form
    15,904.40/23,856.35 = 4,811.31/x
  3. Step 3: Cross multiply
    15,904.40x = 23,856.35 × 4,811.31
  4. Step 4: Simplify right side
    15,904.40x = 114,780,271.26
  5. Step 5: Solve for x
    x = 114,780,271.26/15,904.40
  6. Step 6: Final answer
    x = 7,216.89

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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.