Home / 15,971.37-22,041.36-8,897.91

Finding the Fourth Proportional to 15,971.37, 22,041.36 and 8,897.91

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Solution

The fourth proportional to 15,971.37, 22,041.36 and 8,897.91 is: 12,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.37 : 22,041.36 = 8,897.91 : x
  2. Step 2: Convert to fraction form
    15,971.37/22,041.36 = 8,897.91/x
  3. Step 3: Cross multiply
    15,971.37x = 22,041.36 × 8,897.91
  4. Step 4: Simplify right side
    15,971.37x = 196,122,037.56
  5. Step 5: Solve for x
    x = 196,122,037.56/15,971.37
  6. Step 6: Final answer
    x = 12,279.60

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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.