Home / 13,250.34-18,285.26-7,281.88

Finding the Fourth Proportional to 13,250.34, 18,285.26 and 7,281.88

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Solution

The fourth proportional to 13,250.34, 18,285.26 and 7,281.88 is: 10,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.34 : 18,285.26 = 7,281.88 : x
  2. Step 2: Convert to fraction form
    13,250.34/18,285.26 = 7,281.88/x
  3. Step 3: Cross multiply
    13,250.34x = 18,285.26 × 7,281.88
  4. Step 4: Simplify right side
    13,250.34x = 133,151,133.01
  5. Step 5: Solve for x
    x = 133,151,133.01/13,250.34
  6. Step 6: Final answer
    x = 10,048.88

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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.