Home / 15,734.04-21,698.70-12,331.50

Finding the Fourth Proportional to 15,734.04, 21,698.70 and 12,331.50

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Solution

The fourth proportional to 15,734.04, 21,698.70 and 12,331.50 is: 17,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.04 : 21,698.70 = 12,331.50 : x
  2. Step 2: Convert to fraction form
    15,734.04/21,698.70 = 12,331.50/x
  3. Step 3: Cross multiply
    15,734.04x = 21,698.70 × 12,331.50
  4. Step 4: Simplify right side
    15,734.04x = 267,577,519.05
  5. Step 5: Solve for x
    x = 267,577,519.05/15,734.04
  6. Step 6: Final answer
    x = 17,006.28

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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.