Home / 13,405.24-20,108.02-4,045.34

Finding the Fourth Proportional to 13,405.24, 20,108.02 and 4,045.34

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Solution

The fourth proportional to 13,405.24, 20,108.02 and 4,045.34 is: 6,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.24 : 20,108.02 = 4,045.34 : x
  2. Step 2: Convert to fraction form
    13,405.24/20,108.02 = 4,045.34/x
  3. Step 3: Cross multiply
    13,405.24x = 20,108.02 × 4,045.34
  4. Step 4: Simplify right side
    13,405.24x = 81,343,772.50
  5. Step 5: Solve for x
    x = 81,343,772.50/13,405.24
  6. Step 6: Final answer
    x = 6,068.06

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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.