Home / 14,398.39-19,862.98-8,426.36

Finding the Fourth Proportional to 14,398.39, 19,862.98 and 8,426.36

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Solution

The fourth proportional to 14,398.39, 19,862.98 and 8,426.36 is: 11,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.39 : 19,862.98 = 8,426.36 : x
  2. Step 2: Convert to fraction form
    14,398.39/19,862.98 = 8,426.36/x
  3. Step 3: Cross multiply
    14,398.39x = 19,862.98 × 8,426.36
  4. Step 4: Simplify right side
    14,398.39x = 167,372,620.15
  5. Step 5: Solve for x
    x = 167,372,620.15/14,398.39
  6. Step 6: Final answer
    x = 11,624.40

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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.