Home / 14,690.30-20,275.22-8,317.26

Finding the Fourth Proportional to 14,690.30, 20,275.22 and 8,317.26

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Solution

The fourth proportional to 14,690.30, 20,275.22 and 8,317.26 is: 11,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.30 : 20,275.22 = 8,317.26 : x
  2. Step 2: Convert to fraction form
    14,690.30/20,275.22 = 8,317.26/x
  3. Step 3: Cross multiply
    14,690.30x = 20,275.22 × 8,317.26
  4. Step 4: Simplify right side
    14,690.30x = 168,634,276.30
  5. Step 5: Solve for x
    x = 168,634,276.30/14,690.30
  6. Step 6: Final answer
    x = 11,479.29

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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.