Home / 14,157.44-19,539.20-8,570.24

Finding the Fourth Proportional to 14,157.44, 19,539.20 and 8,570.24

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Solution

The fourth proportional to 14,157.44, 19,539.20 and 8,570.24 is: 11,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.44 : 19,539.20 = 8,570.24 : x
  2. Step 2: Convert to fraction form
    14,157.44/19,539.20 = 8,570.24/x
  3. Step 3: Cross multiply
    14,157.44x = 19,539.20 × 8,570.24
  4. Step 4: Simplify right side
    14,157.44x = 167,455,633.41
  5. Step 5: Solve for x
    x = 167,455,633.41/14,157.44
  6. Step 6: Final answer
    x = 11,828.10

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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.