Home / 14,725.24-20,323.60-8,437.60

Finding the Fourth Proportional to 14,725.24, 20,323.60 and 8,437.60

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Solution

The fourth proportional to 14,725.24, 20,323.60 and 8,437.60 is: 11,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.24 : 20,323.60 = 8,437.60 : x
  2. Step 2: Convert to fraction form
    14,725.24/20,323.60 = 8,437.60/x
  3. Step 3: Cross multiply
    14,725.24x = 20,323.60 × 8,437.60
  4. Step 4: Simplify right side
    14,725.24x = 171,482,407.36
  5. Step 5: Solve for x
    x = 171,482,407.36/14,725.24
  6. Step 6: Final answer
    x = 11,645.47

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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.