Home / 13,377.17-18,460.22-7,408.82

Finding the Fourth Proportional to 13,377.17, 18,460.22 and 7,408.82

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Solution

The fourth proportional to 13,377.17, 18,460.22 and 7,408.82 is: 10,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.17 : 18,460.22 = 7,408.82 : x
  2. Step 2: Convert to fraction form
    13,377.17/18,460.22 = 7,408.82/x
  3. Step 3: Cross multiply
    13,377.17x = 18,460.22 × 7,408.82
  4. Step 4: Simplify right side
    13,377.17x = 136,768,317.80
  5. Step 5: Solve for x
    x = 136,768,317.80/13,377.17
  6. Step 6: Final answer
    x = 10,224.01

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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.