Home / 13,178.92-19,776.18-4,864.74

Finding the Fourth Proportional to 13,178.92, 19,776.18 and 4,864.74

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Solution

The fourth proportional to 13,178.92, 19,776.18 and 4,864.74 is: 7,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.92 : 19,776.18 = 4,864.74 : x
  2. Step 2: Convert to fraction form
    13,178.92/19,776.18 = 4,864.74/x
  3. Step 3: Cross multiply
    13,178.92x = 19,776.18 × 4,864.74
  4. Step 4: Simplify right side
    13,178.92x = 96,205,973.89
  5. Step 5: Solve for x
    x = 96,205,973.89/13,178.92
  6. Step 6: Final answer
    x = 7,299.99

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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.