Home / 15,429.71-23,144.63-3,742.92

Finding the Fourth Proportional to 15,429.71, 23,144.63 and 3,742.92

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Solution

The fourth proportional to 15,429.71, 23,144.63 and 3,742.92 is: 5,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.71 : 23,144.63 = 3,742.92 : x
  2. Step 2: Convert to fraction form
    15,429.71/23,144.63 = 3,742.92/x
  3. Step 3: Cross multiply
    15,429.71x = 23,144.63 × 3,742.92
  4. Step 4: Simplify right side
    15,429.71x = 86,628,479.81
  5. Step 5: Solve for x
    x = 86,628,479.81/15,429.71
  6. Step 6: Final answer
    x = 5,614.40

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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.