Home / 13,576.02-20,359.05-4,689.09

Finding the Fourth Proportional to 13,576.02, 20,359.05 and 4,689.09

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Solution

The fourth proportional to 13,576.02, 20,359.05 and 4,689.09 is: 7,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.02 : 20,359.05 = 4,689.09 : x
  2. Step 2: Convert to fraction form
    13,576.02/20,359.05 = 4,689.09/x
  3. Step 3: Cross multiply
    13,576.02x = 20,359.05 × 4,689.09
  4. Step 4: Simplify right side
    13,576.02x = 95,465,417.76
  5. Step 5: Solve for x
    x = 95,465,417.76/13,576.02
  6. Step 6: Final answer
    x = 7,031.91

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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.