Home / 14,085.07-19,436.07-8,418.68

Finding the Fourth Proportional to 14,085.07, 19,436.07 and 8,418.68

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Solution

The fourth proportional to 14,085.07, 19,436.07 and 8,418.68 is: 11,616.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.07 : 19,436.07 = 8,418.68 : x
  2. Step 2: Convert to fraction form
    14,085.07/19,436.07 = 8,418.68/x
  3. Step 3: Cross multiply
    14,085.07x = 19,436.07 × 8,418.68
  4. Step 4: Simplify right side
    14,085.07x = 163,626,123.04
  5. Step 5: Solve for x
    x = 163,626,123.04/14,085.07
  6. Step 6: Final answer
    x = 11,616.99

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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.