Home / 14,853.34-20,497.59-8,139.39

Finding the Fourth Proportional to 14,853.34, 20,497.59 and 8,139.39

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Solution

The fourth proportional to 14,853.34, 20,497.59 and 8,139.39 is: 11,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.34 : 20,497.59 = 8,139.39 : x
  2. Step 2: Convert to fraction form
    14,853.34/20,497.59 = 8,139.39/x
  3. Step 3: Cross multiply
    14,853.34x = 20,497.59 × 8,139.39
  4. Step 4: Simplify right side
    14,853.34x = 166,837,879.07
  5. Step 5: Solve for x
    x = 166,837,879.07/14,853.34
  6. Step 6: Final answer
    x = 11,232.35

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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.