Home / 14,141.90-21,176.40-11,225.90

Finding the Fourth Proportional to 14,141.90, 21,176.40 and 11,225.90

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Solution

The fourth proportional to 14,141.90, 21,176.40 and 11,225.90 is: 16,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.90 : 21,176.40 = 11,225.90 : x
  2. Step 2: Convert to fraction form
    14,141.90/21,176.40 = 11,225.90/x
  3. Step 3: Cross multiply
    14,141.90x = 21,176.40 × 11,225.90
  4. Step 4: Simplify right side
    14,141.90x = 237,724,148.76
  5. Step 5: Solve for x
    x = 237,724,148.76/14,141.90
  6. Step 6: Final answer
    x = 16,809.92

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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.