Home / 14,062.32-21,070.80-12,105.36

Finding the Fourth Proportional to 14,062.32, 21,070.80 and 12,105.36

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Solution

The fourth proportional to 14,062.32, 21,070.80 and 12,105.36 is: 18,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.32 : 21,070.80 = 12,105.36 : x
  2. Step 2: Convert to fraction form
    14,062.32/21,070.80 = 12,105.36/x
  3. Step 3: Cross multiply
    14,062.32x = 21,070.80 × 12,105.36
  4. Step 4: Simplify right side
    14,062.32x = 255,069,619.49
  5. Step 5: Solve for x
    x = 255,069,619.49/14,062.32
  6. Step 6: Final answer
    x = 18,138.52

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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.