Home / 13,537.02-20,303.05-6,139.70

Finding the Fourth Proportional to 13,537.02, 20,303.05 and 6,139.70

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Solution

The fourth proportional to 13,537.02, 20,303.05 and 6,139.70 is: 9,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.02 : 20,303.05 = 6,139.70 : x
  2. Step 2: Convert to fraction form
    13,537.02/20,303.05 = 6,139.70/x
  3. Step 3: Cross multiply
    13,537.02x = 20,303.05 × 6,139.70
  4. Step 4: Simplify right side
    13,537.02x = 124,654,636.09
  5. Step 5: Solve for x
    x = 124,654,636.09/13,537.02
  6. Step 6: Final answer
    x = 9,208.43

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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.