Home / 19,326.50-28,981.16-9,336.18

Finding the Fourth Proportional to 19,326.50, 28,981.16 and 9,336.18

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Solution

The fourth proportional to 19,326.50, 28,981.16 and 9,336.18 is: 14,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.50 : 28,981.16 = 9,336.18 : x
  2. Step 2: Convert to fraction form
    19,326.50/28,981.16 = 9,336.18/x
  3. Step 3: Cross multiply
    19,326.50x = 28,981.16 × 9,336.18
  4. Step 4: Simplify right side
    19,326.50x = 270,573,326.37
  5. Step 5: Solve for x
    x = 270,573,326.37/19,326.50
  6. Step 6: Final answer
    x = 14,000.12

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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.