Home / 13,077.22-18,047.01-7,411.90

Finding the Fourth Proportional to 13,077.22, 18,047.01 and 7,411.90

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Solution

The fourth proportional to 13,077.22, 18,047.01 and 7,411.90 is: 10,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.22 : 18,047.01 = 7,411.90 : x
  2. Step 2: Convert to fraction form
    13,077.22/18,047.01 = 7,411.90/x
  3. Step 3: Cross multiply
    13,077.22x = 18,047.01 × 7,411.90
  4. Step 4: Simplify right side
    13,077.22x = 133,762,633.42
  5. Step 5: Solve for x
    x = 133,762,633.42/13,077.22
  6. Step 6: Final answer
    x = 10,228.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.