Home / 14,488.34-19,992.66-8,437.64

Finding the Fourth Proportional to 14,488.34, 19,992.66 and 8,437.64

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Solution

The fourth proportional to 14,488.34, 19,992.66 and 8,437.64 is: 11,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.34 : 19,992.66 = 8,437.64 : x
  2. Step 2: Convert to fraction form
    14,488.34/19,992.66 = 8,437.64/x
  3. Step 3: Cross multiply
    14,488.34x = 19,992.66 × 8,437.64
  4. Step 4: Simplify right side
    14,488.34x = 168,690,867.72
  5. Step 5: Solve for x
    x = 168,690,867.72/14,488.34
  6. Step 6: Final answer
    x = 11,643.22

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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.