Home / 14,445.64-19,934.70-8,072.29

Finding the Fourth Proportional to 14,445.64, 19,934.70 and 8,072.29

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Solution

The fourth proportional to 14,445.64, 19,934.70 and 8,072.29 is: 11,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.64 : 19,934.70 = 8,072.29 : x
  2. Step 2: Convert to fraction form
    14,445.64/19,934.70 = 8,072.29/x
  3. Step 3: Cross multiply
    14,445.64x = 19,934.70 × 8,072.29
  4. Step 4: Simplify right side
    14,445.64x = 160,918,679.46
  5. Step 5: Solve for x
    x = 160,918,679.46/14,445.64
  6. Step 6: Final answer
    x = 11,139.60

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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.