Home / 15,334.44-21,140.10-12,967.08

Finding the Fourth Proportional to 15,334.44, 21,140.10 and 12,967.08

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Solution

The fourth proportional to 15,334.44, 21,140.10 and 12,967.08 is: 17,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.44 : 21,140.10 = 12,967.08 : x
  2. Step 2: Convert to fraction form
    15,334.44/21,140.10 = 12,967.08/x
  3. Step 3: Cross multiply
    15,334.44x = 21,140.10 × 12,967.08
  4. Step 4: Simplify right side
    15,334.44x = 274,125,367.91
  5. Step 5: Solve for x
    x = 274,125,367.91/15,334.44
  6. Step 6: Final answer
    x = 17,876.45

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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.