Home / 14,277.42-19,702.49-7,903.86

Finding the Fourth Proportional to 14,277.42, 19,702.49 and 7,903.86

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Solution

The fourth proportional to 14,277.42, 19,702.49 and 7,903.86 is: 10,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.42 : 19,702.49 = 7,903.86 : x
  2. Step 2: Convert to fraction form
    14,277.42/19,702.49 = 7,903.86/x
  3. Step 3: Cross multiply
    14,277.42x = 19,702.49 × 7,903.86
  4. Step 4: Simplify right side
    14,277.42x = 155,725,683.09
  5. Step 5: Solve for x
    x = 155,725,683.09/14,277.42
  6. Step 6: Final answer
    x = 10,907.13

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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.