Home / 14,603.31-21,909.03-12,257.76

Finding the Fourth Proportional to 14,603.31, 21,909.03 and 12,257.76

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Solution

The fourth proportional to 14,603.31, 21,909.03 and 12,257.76 is: 18,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.31 : 21,909.03 = 12,257.76 : x
  2. Step 2: Convert to fraction form
    14,603.31/21,909.03 = 12,257.76/x
  3. Step 3: Cross multiply
    14,603.31x = 21,909.03 × 12,257.76
  4. Step 4: Simplify right side
    14,603.31x = 268,555,631.57
  5. Step 5: Solve for x
    x = 268,555,631.57/14,603.31
  6. Step 6: Final answer
    x = 18,390.05

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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.