Home / 13,178.70-19,754.91-6,584.76

Finding the Fourth Proportional to 13,178.70, 19,754.91 and 6,584.76

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Solution

The fourth proportional to 13,178.70, 19,754.91 and 6,584.76 is: 9,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.70 : 19,754.91 = 6,584.76 : x
  2. Step 2: Convert to fraction form
    13,178.70/19,754.91 = 6,584.76/x
  3. Step 3: Cross multiply
    13,178.70x = 19,754.91 × 6,584.76
  4. Step 4: Simplify right side
    13,178.70x = 130,081,341.17
  5. Step 5: Solve for x
    x = 130,081,341.17/13,178.70
  6. Step 6: Final answer
    x = 9,870.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.