Home / 13,253.10-18,289.05-7,284.63

Finding the Fourth Proportional to 13,253.10, 18,289.05 and 7,284.63

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Solution

The fourth proportional to 13,253.10, 18,289.05 and 7,284.63 is: 10,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.10 : 18,289.05 = 7,284.63 : x
  2. Step 2: Convert to fraction form
    13,253.10/18,289.05 = 7,284.63/x
  3. Step 3: Cross multiply
    13,253.10x = 18,289.05 × 7,284.63
  4. Step 4: Simplify right side
    13,253.10x = 133,228,962.30
  5. Step 5: Solve for x
    x = 133,228,962.30/13,253.10
  6. Step 6: Final answer
    x = 10,052.66

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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.