Home / 14,154.95-21,209.34-8,609.99

Finding the Fourth Proportional to 14,154.95, 21,209.34 and 8,609.99

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Solution

The fourth proportional to 14,154.95, 21,209.34 and 8,609.99 is: 12,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.95 : 21,209.34 = 8,609.99 : x
  2. Step 2: Convert to fraction form
    14,154.95/21,209.34 = 8,609.99/x
  3. Step 3: Cross multiply
    14,154.95x = 21,209.34 × 8,609.99
  4. Step 4: Simplify right side
    14,154.95x = 182,612,162.26
  5. Step 5: Solve for x
    x = 182,612,162.26/14,154.95
  6. Step 6: Final answer
    x = 12,900.94

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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.