Home / 19,839.28-29,746.26-8,588.56

Finding the Fourth Proportional to 19,839.28, 29,746.26 and 8,588.56

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Solution

The fourth proportional to 19,839.28, 29,746.26 and 8,588.56 is: 12,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.28 : 29,746.26 = 8,588.56 : x
  2. Step 2: Convert to fraction form
    19,839.28/29,746.26 = 8,588.56/x
  3. Step 3: Cross multiply
    19,839.28x = 29,746.26 × 8,588.56
  4. Step 4: Simplify right side
    19,839.28x = 255,477,538.79
  5. Step 5: Solve for x
    x = 255,477,538.79/19,839.28
  6. Step 6: Final answer
    x = 12,877.36

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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.