Home / 14,005.68-19,327.80-7,718.04

Finding the Fourth Proportional to 14,005.68, 19,327.80 and 7,718.04

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Solution

The fourth proportional to 14,005.68, 19,327.80 and 7,718.04 is: 10,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.68 : 19,327.80 = 7,718.04 : x
  2. Step 2: Convert to fraction form
    14,005.68/19,327.80 = 7,718.04/x
  3. Step 3: Cross multiply
    14,005.68x = 19,327.80 × 7,718.04
  4. Step 4: Simplify right side
    14,005.68x = 149,172,733.51
  5. Step 5: Solve for x
    x = 149,172,733.51/14,005.68
  6. Step 6: Final answer
    x = 10,650.87

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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.