Home / 13,253.37-18,289.76-7,285.16

Finding the Fourth Proportional to 13,253.37, 18,289.76 and 7,285.16

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Solution

The fourth proportional to 13,253.37, 18,289.76 and 7,285.16 is: 10,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.37 : 18,289.76 = 7,285.16 : x
  2. Step 2: Convert to fraction form
    13,253.37/18,289.76 = 7,285.16/x
  3. Step 3: Cross multiply
    13,253.37x = 18,289.76 × 7,285.16
  4. Step 4: Simplify right side
    13,253.37x = 133,243,700.09
  5. Step 5: Solve for x
    x = 133,243,700.09/13,253.37
  6. Step 6: Final answer
    x = 10,053.57

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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.