Home / 14,702.49-20,278.71-9,326.57

Finding the Fourth Proportional to 14,702.49, 20,278.71 and 9,326.57

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Solution

The fourth proportional to 14,702.49, 20,278.71 and 9,326.57 is: 12,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.49 : 20,278.71 = 9,326.57 : x
  2. Step 2: Convert to fraction form
    14,702.49/20,278.71 = 9,326.57/x
  3. Step 3: Cross multiply
    14,702.49x = 20,278.71 × 9,326.57
  4. Step 4: Simplify right side
    14,702.49x = 189,130,706.93
  5. Step 5: Solve for x
    x = 189,130,706.93/14,702.49
  6. Step 6: Final answer
    x = 12,863.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.