Home / 16,389.01-22,624.54-12,809.16

Finding the Fourth Proportional to 16,389.01, 22,624.54 and 12,809.16

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Solution

The fourth proportional to 16,389.01, 22,624.54 and 12,809.16 is: 17,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.01 : 22,624.54 = 12,809.16 : x
  2. Step 2: Convert to fraction form
    16,389.01/22,624.54 = 12,809.16/x
  3. Step 3: Cross multiply
    16,389.01x = 22,624.54 × 12,809.16
  4. Step 4: Simplify right side
    16,389.01x = 289,801,352.79
  5. Step 5: Solve for x
    x = 289,801,352.79/16,389.01
  6. Step 6: Final answer
    x = 17,682.66

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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.