Home / 14,669.34-20,223.59-9,289.05

Finding the Fourth Proportional to 14,669.34, 20,223.59 and 9,289.05

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Solution

The fourth proportional to 14,669.34, 20,223.59 and 9,289.05 is: 12,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.34 : 20,223.59 = 9,289.05 : x
  2. Step 2: Convert to fraction form
    14,669.34/20,223.59 = 9,289.05/x
  3. Step 3: Cross multiply
    14,669.34x = 20,223.59 × 9,289.05
  4. Step 4: Simplify right side
    14,669.34x = 187,857,892.24
  5. Step 5: Solve for x
    x = 187,857,892.24/14,669.34
  6. Step 6: Final answer
    x = 12,806.16

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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.