Home / 15,938.03-22,000.65-11,970.65

Finding the Fourth Proportional to 15,938.03, 22,000.65 and 11,970.65

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Solution

The fourth proportional to 15,938.03, 22,000.65 and 11,970.65 is: 16,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.03 : 22,000.65 = 11,970.65 : x
  2. Step 2: Convert to fraction form
    15,938.03/22,000.65 = 11,970.65/x
  3. Step 3: Cross multiply
    15,938.03x = 22,000.65 × 11,970.65
  4. Step 4: Simplify right side
    15,938.03x = 263,362,080.92
  5. Step 5: Solve for x
    x = 263,362,080.92/15,938.03
  6. Step 6: Final answer
    x = 16,524.13

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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.