Home / 10,257.63-14,156.33-5,720.95

Finding the Fourth Proportional to 10,257.63, 14,156.33 and 5,720.95

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Solution

The fourth proportional to 10,257.63, 14,156.33 and 5,720.95 is: 7,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.63 : 14,156.33 = 5,720.95 : x
  2. Step 2: Convert to fraction form
    10,257.63/14,156.33 = 5,720.95/x
  3. Step 3: Cross multiply
    10,257.63x = 14,156.33 × 5,720.95
  4. Step 4: Simplify right side
    10,257.63x = 80,987,656.11
  5. Step 5: Solve for x
    x = 80,987,656.11/10,257.63
  6. Step 6: Final answer
    x = 7,895.36

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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.