Home / 14,290.12-19,710.24-8,915.27

Finding the Fourth Proportional to 14,290.12, 19,710.24 and 8,915.27

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Solution

The fourth proportional to 14,290.12, 19,710.24 and 8,915.27 is: 12,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.12 : 19,710.24 = 8,915.27 : x
  2. Step 2: Convert to fraction form
    14,290.12/19,710.24 = 8,915.27/x
  3. Step 3: Cross multiply
    14,290.12x = 19,710.24 × 8,915.27
  4. Step 4: Simplify right side
    14,290.12x = 175,721,979.38
  5. Step 5: Solve for x
    x = 175,721,979.38/14,290.12
  6. Step 6: Final answer
    x = 12,296.75

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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.