Home / 19,521.66-29,289.28-14,189.84

Finding the Fourth Proportional to 19,521.66, 29,289.28 and 14,189.84

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Solution

The fourth proportional to 19,521.66, 29,289.28 and 14,189.84 is: 21,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.66 : 29,289.28 = 14,189.84 : x
  2. Step 2: Convert to fraction form
    19,521.66/29,289.28 = 14,189.84/x
  3. Step 3: Cross multiply
    19,521.66x = 29,289.28 × 14,189.84
  4. Step 4: Simplify right side
    19,521.66x = 415,610,196.92
  5. Step 5: Solve for x
    x = 415,610,196.92/19,521.66
  6. Step 6: Final answer
    x = 21,289.70

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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.