Home / 19,423.40-29,184.36-18,117.35

Finding the Fourth Proportional to 19,423.40, 29,184.36 and 18,117.35

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Solution

The fourth proportional to 19,423.40, 29,184.36 and 18,117.35 is: 27,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.40 : 29,184.36 = 18,117.35 : x
  2. Step 2: Convert to fraction form
    19,423.40/29,184.36 = 18,117.35/x
  3. Step 3: Cross multiply
    19,423.40x = 29,184.36 × 18,117.35
  4. Step 4: Simplify right side
    19,423.40x = 528,743,118.72
  5. Step 5: Solve for x
    x = 528,743,118.72/19,423.40
  6. Step 6: Final answer
    x = 27,221.96

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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.