Home / 19,434.88-29,130.18-8,335.84

Finding the Fourth Proportional to 19,434.88, 29,130.18 and 8,335.84

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Solution

The fourth proportional to 19,434.88, 29,130.18 and 8,335.84 is: 12,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.88 : 29,130.18 = 8,335.84 : x
  2. Step 2: Convert to fraction form
    19,434.88/29,130.18 = 8,335.84/x
  3. Step 3: Cross multiply
    19,434.88x = 29,130.18 × 8,335.84
  4. Step 4: Simplify right side
    19,434.88x = 242,824,519.65
  5. Step 5: Solve for x
    x = 242,824,519.65/19,434.88
  6. Step 6: Final answer
    x = 12,494.26

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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.