Home / 14,973.52-20,664.57-8,686.84

Finding the Fourth Proportional to 14,973.52, 20,664.57 and 8,686.84

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Solution

The fourth proportional to 14,973.52, 20,664.57 and 8,686.84 is: 11,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.52 : 20,664.57 = 8,686.84 : x
  2. Step 2: Convert to fraction form
    14,973.52/20,664.57 = 8,686.84/x
  3. Step 3: Cross multiply
    14,973.52x = 20,664.57 × 8,686.84
  4. Step 4: Simplify right side
    14,973.52x = 179,509,813.26
  5. Step 5: Solve for x
    x = 179,509,813.26/14,973.52
  6. Step 6: Final answer
    x = 11,988.48

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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.