Home / 19,425.08-26,809.66-11,875.76

Finding the Fourth Proportional to 19,425.08, 26,809.66 and 11,875.76

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Solution

The fourth proportional to 19,425.08, 26,809.66 and 11,875.76 is: 16,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.08 : 26,809.66 = 11,875.76 : x
  2. Step 2: Convert to fraction form
    19,425.08/26,809.66 = 11,875.76/x
  3. Step 3: Cross multiply
    19,425.08x = 26,809.66 × 11,875.76
  4. Step 4: Simplify right side
    19,425.08x = 318,385,087.84
  5. Step 5: Solve for x
    x = 318,385,087.84/19,425.08
  6. Step 6: Final answer
    x = 16,390.41

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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.