Home / 14,520.69-20,027.79-9,137.88

Finding the Fourth Proportional to 14,520.69, 20,027.79 and 9,137.88

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Solution

The fourth proportional to 14,520.69, 20,027.79 and 9,137.88 is: 12,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.69 : 20,027.79 = 9,137.88 : x
  2. Step 2: Convert to fraction form
    14,520.69/20,027.79 = 9,137.88/x
  3. Step 3: Cross multiply
    14,520.69x = 20,027.79 × 9,137.88
  4. Step 4: Simplify right side
    14,520.69x = 183,011,541.69
  5. Step 5: Solve for x
    x = 183,011,541.69/14,520.69
  6. Step 6: Final answer
    x = 12,603.50

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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.