Home / 13,370.41-18,451.31-7,402.17

Finding the Fourth Proportional to 13,370.41, 18,451.31 and 7,402.17

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Solution

The fourth proportional to 13,370.41, 18,451.31 and 7,402.17 is: 10,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.41 : 18,451.31 = 7,402.17 : x
  2. Step 2: Convert to fraction form
    13,370.41/18,451.31 = 7,402.17/x
  3. Step 3: Cross multiply
    13,370.41x = 18,451.31 × 7,402.17
  4. Step 4: Simplify right side
    13,370.41x = 136,579,733.34
  5. Step 5: Solve for x
    x = 136,579,733.34/13,370.41
  6. Step 6: Final answer
    x = 10,215.07

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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.