Home / 14,970.48-20,658.40-8,256.12

Finding the Fourth Proportional to 14,970.48, 20,658.40 and 8,256.12

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Solution

The fourth proportional to 14,970.48, 20,658.40 and 8,256.12 is: 11,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.48 : 20,658.40 = 8,256.12 : x
  2. Step 2: Convert to fraction form
    14,970.48/20,658.40 = 8,256.12/x
  3. Step 3: Cross multiply
    14,970.48x = 20,658.40 × 8,256.12
  4. Step 4: Simplify right side
    14,970.48x = 170,558,229.41
  5. Step 5: Solve for x
    x = 170,558,229.41/14,970.48
  6. Step 6: Final answer
    x = 11,392.97

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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.