Home / 14,860.26-20,507.40-8,146.53

Finding the Fourth Proportional to 14,860.26, 20,507.40 and 8,146.53

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Solution

The fourth proportional to 14,860.26, 20,507.40 and 8,146.53 is: 11,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.26 : 20,507.40 = 8,146.53 : x
  2. Step 2: Convert to fraction form
    14,860.26/20,507.40 = 8,146.53/x
  3. Step 3: Cross multiply
    14,860.26x = 20,507.40 × 8,146.53
  4. Step 4: Simplify right side
    14,860.26x = 167,064,149.32
  5. Step 5: Solve for x
    x = 167,064,149.32/14,860.26
  6. Step 6: Final answer
    x = 11,242.34

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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.