Home / 14,104.32-21,146.56-8,913.76

Finding the Fourth Proportional to 14,104.32, 21,146.56 and 8,913.76

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Solution

The fourth proportional to 14,104.32, 21,146.56 and 8,913.76 is: 13,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.32 : 21,146.56 = 8,913.76 : x
  2. Step 2: Convert to fraction form
    14,104.32/21,146.56 = 8,913.76/x
  3. Step 3: Cross multiply
    14,104.32x = 21,146.56 × 8,913.76
  4. Step 4: Simplify right side
    14,104.32x = 188,495,360.67
  5. Step 5: Solve for x
    x = 188,495,360.67/14,104.32
  6. Step 6: Final answer
    x = 13,364.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.