Home / 14,655.62-20,215.77-11,970.74

Finding the Fourth Proportional to 14,655.62, 20,215.77 and 11,970.74

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Solution

The fourth proportional to 14,655.62, 20,215.77 and 11,970.74 is: 16,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.62 : 20,215.77 = 11,970.74 : x
  2. Step 2: Convert to fraction form
    14,655.62/20,215.77 = 11,970.74/x
  3. Step 3: Cross multiply
    14,655.62x = 20,215.77 × 11,970.74
  4. Step 4: Simplify right side
    14,655.62x = 241,997,726.57
  5. Step 5: Solve for x
    x = 241,997,726.57/14,655.62
  6. Step 6: Final answer
    x = 16,512.28

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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.