Home / 14,089.40-19,404.15-10,890.92

Finding the Fourth Proportional to 14,089.40, 19,404.15 and 10,890.92

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Solution

The fourth proportional to 14,089.40, 19,404.15 and 10,890.92 is: 14,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.40 : 19,404.15 = 10,890.92 : x
  2. Step 2: Convert to fraction form
    14,089.40/19,404.15 = 10,890.92/x
  3. Step 3: Cross multiply
    14,089.40x = 19,404.15 × 10,890.92
  4. Step 4: Simplify right side
    14,089.40x = 211,328,948.30
  5. Step 5: Solve for x
    x = 211,328,948.30/14,089.40
  6. Step 6: Final answer
    x = 14,999.15

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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.