Home / 13,917.71-19,206.69-7,630.04

Finding the Fourth Proportional to 13,917.71, 19,206.69 and 7,630.04

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Solution

The fourth proportional to 13,917.71, 19,206.69 and 7,630.04 is: 10,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.71 : 19,206.69 = 7,630.04 : x
  2. Step 2: Convert to fraction form
    13,917.71/19,206.69 = 7,630.04/x
  3. Step 3: Cross multiply
    13,917.71x = 19,206.69 × 7,630.04
  4. Step 4: Simplify right side
    13,917.71x = 146,547,812.97
  5. Step 5: Solve for x
    x = 146,547,812.97/13,917.71
  6. Step 6: Final answer
    x = 10,529.59

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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.