Home / 15,710.81-23,559.98-6,939.56

Finding the Fourth Proportional to 15,710.81, 23,559.98 and 6,939.56

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Solution

The fourth proportional to 15,710.81, 23,559.98 and 6,939.56 is: 10,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710.81 : 23,559.98 = 6,939.56 : x
  2. Step 2: Convert to fraction form
    15,710.81/23,559.98 = 6,939.56/x
  3. Step 3: Cross multiply
    15,710.81x = 23,559.98 × 6,939.56
  4. Step 4: Simplify right side
    15,710.81x = 163,495,919.01
  5. Step 5: Solve for x
    x = 163,495,919.01/15,710.81
  6. Step 6: Final answer
    x = 10,406.59

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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.