Home / 15,938.04-22,000.66-11,970.66

Finding the Fourth Proportional to 15,938.04, 22,000.66 and 11,970.66

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Solution

The fourth proportional to 15,938.04, 22,000.66 and 11,970.66 is: 16,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.04 : 22,000.66 = 11,970.66 : x
  2. Step 2: Convert to fraction form
    15,938.04/22,000.66 = 11,970.66/x
  3. Step 3: Cross multiply
    15,938.04x = 22,000.66 × 11,970.66
  4. Step 4: Simplify right side
    15,938.04x = 263,362,420.64
  5. Step 5: Solve for x
    x = 263,362,420.64/15,938.04
  6. Step 6: Final answer
    x = 16,524.14

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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.