Home / 14,422.35-19,903.10-8,458.32

Finding the Fourth Proportional to 14,422.35, 19,903.10 and 8,458.32

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Solution

The fourth proportional to 14,422.35, 19,903.10 and 8,458.32 is: 11,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.35 : 19,903.10 = 8,458.32 : x
  2. Step 2: Convert to fraction form
    14,422.35/19,903.10 = 8,458.32/x
  3. Step 3: Cross multiply
    14,422.35x = 19,903.10 × 8,458.32
  4. Step 4: Simplify right side
    14,422.35x = 168,346,728.46
  5. Step 5: Solve for x
    x = 168,346,728.46/14,422.35
  6. Step 6: Final answer
    x = 11,672.63

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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.