Home / 15,576.30-23,364.45-15,211.80

Finding the Fourth Proportional to 15,576.30, 23,364.45 and 15,211.80

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Solution

The fourth proportional to 15,576.30, 23,364.45 and 15,211.80 is: 22,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.30 : 23,364.45 = 15,211.80 : x
  2. Step 2: Convert to fraction form
    15,576.30/23,364.45 = 15,211.80/x
  3. Step 3: Cross multiply
    15,576.30x = 23,364.45 × 15,211.80
  4. Step 4: Simplify right side
    15,576.30x = 355,415,340.51
  5. Step 5: Solve for x
    x = 355,415,340.51/15,576.30
  6. Step 6: Final answer
    x = 22,817.70

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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.