Home / 14,256.32-19,677.60-8,289.92

Finding the Fourth Proportional to 14,256.32, 19,677.60 and 8,289.92

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Solution

The fourth proportional to 14,256.32, 19,677.60 and 8,289.92 is: 11,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.32 : 19,677.60 = 8,289.92 : x
  2. Step 2: Convert to fraction form
    14,256.32/19,677.60 = 8,289.92/x
  3. Step 3: Cross multiply
    14,256.32x = 19,677.60 × 8,289.92
  4. Step 4: Simplify right side
    14,256.32x = 163,125,729.79
  5. Step 5: Solve for x
    x = 163,125,729.79/14,256.32
  6. Step 6: Final answer
    x = 11,442.34

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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.