Home / 13,417.84-18,514.49-7,449.41

Finding the Fourth Proportional to 13,417.84, 18,514.49 and 7,449.41

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Solution

The fourth proportional to 13,417.84, 18,514.49 and 7,449.41 is: 10,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.84 : 18,514.49 = 7,449.41 : x
  2. Step 2: Convert to fraction form
    13,417.84/18,514.49 = 7,449.41/x
  3. Step 3: Cross multiply
    13,417.84x = 18,514.49 × 7,449.41
  4. Step 4: Simplify right side
    13,417.84x = 137,922,026.95
  5. Step 5: Solve for x
    x = 137,922,026.95/13,417.84
  6. Step 6: Final answer
    x = 10,279.00

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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.