Home / 14,290.91-21,436.17-4,430.19

Finding the Fourth Proportional to 14,290.91, 21,436.17 and 4,430.19

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Solution

The fourth proportional to 14,290.91, 21,436.17 and 4,430.19 is: 6,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.91 : 21,436.17 = 4,430.19 : x
  2. Step 2: Convert to fraction form
    14,290.91/21,436.17 = 4,430.19/x
  3. Step 3: Cross multiply
    14,290.91x = 21,436.17 × 4,430.19
  4. Step 4: Simplify right side
    14,290.91x = 94,966,305.97
  5. Step 5: Solve for x
    x = 94,966,305.97/14,290.91
  6. Step 6: Final answer
    x = 6,645.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.