Home / 14,054.52-19,394.67-8,390.19

Finding the Fourth Proportional to 14,054.52, 19,394.67 and 8,390.19

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Solution

The fourth proportional to 14,054.52, 19,394.67 and 8,390.19 is: 11,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.52 : 19,394.67 = 8,390.19 : x
  2. Step 2: Convert to fraction form
    14,054.52/19,394.67 = 8,390.19/x
  3. Step 3: Cross multiply
    14,054.52x = 19,394.67 × 8,390.19
  4. Step 4: Simplify right side
    14,054.52x = 162,724,966.29
  5. Step 5: Solve for x
    x = 162,724,966.29/14,054.52
  6. Step 6: Final answer
    x = 11,578.12

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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.