Home / 13,260.02-18,298.94-7,291.85

Finding the Fourth Proportional to 13,260.02, 18,298.94 and 7,291.85

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Solution

The fourth proportional to 13,260.02, 18,298.94 and 7,291.85 is: 10,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.02 : 18,298.94 = 7,291.85 : x
  2. Step 2: Convert to fraction form
    13,260.02/18,298.94 = 7,291.85/x
  3. Step 3: Cross multiply
    13,260.02x = 18,298.94 × 7,291.85
  4. Step 4: Simplify right side
    13,260.02x = 133,432,997.69
  5. Step 5: Solve for x
    x = 133,432,997.69/13,260.02
  6. Step 6: Final answer
    x = 10,062.81

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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.