Home / 14,876.60-20,533.12-8,911.76

Finding the Fourth Proportional to 14,876.60, 20,533.12 and 8,911.76

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Solution

The fourth proportional to 14,876.60, 20,533.12 and 8,911.76 is: 12,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.60 : 20,533.12 = 8,911.76 : x
  2. Step 2: Convert to fraction form
    14,876.60/20,533.12 = 8,911.76/x
  3. Step 3: Cross multiply
    14,876.60x = 20,533.12 × 8,911.76
  4. Step 4: Simplify right side
    14,876.60x = 182,986,237.49
  5. Step 5: Solve for x
    x = 182,986,237.49/14,876.60
  6. Step 6: Final answer
    x = 12,300.27

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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.