Home / 13,260.59-18,299.72-7,210.84

Finding the Fourth Proportional to 13,260.59, 18,299.72 and 7,210.84

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Solution

The fourth proportional to 13,260.59, 18,299.72 and 7,210.84 is: 9,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.59 : 18,299.72 = 7,210.84 : x
  2. Step 2: Convert to fraction form
    13,260.59/18,299.72 = 7,210.84/x
  3. Step 3: Cross multiply
    13,260.59x = 18,299.72 × 7,210.84
  4. Step 4: Simplify right side
    13,260.59x = 131,956,325.24
  5. Step 5: Solve for x
    x = 131,956,325.24/13,260.59
  6. Step 6: Final answer
    x = 9,951.01

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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.