Home / 14,192.12-21,266.30-8,987.06

Finding the Fourth Proportional to 14,192.12, 21,266.30 and 8,987.06

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Solution

The fourth proportional to 14,192.12, 21,266.30 and 8,987.06 is: 13,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.12 : 21,266.30 = 8,987.06 : x
  2. Step 2: Convert to fraction form
    14,192.12/21,266.30 = 8,987.06/x
  3. Step 3: Cross multiply
    14,192.12x = 21,266.30 × 8,987.06
  4. Step 4: Simplify right side
    14,192.12x = 191,121,589.71
  5. Step 5: Solve for x
    x = 191,121,589.71/14,192.12
  6. Step 6: Final answer
    x = 13,466.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.