Home / 14,448.39-19,934.55-8,480.31

Finding the Fourth Proportional to 14,448.39, 19,934.55 and 8,480.31

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Solution

The fourth proportional to 14,448.39, 19,934.55 and 8,480.31 is: 11,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.39 : 19,934.55 = 8,480.31 : x
  2. Step 2: Convert to fraction form
    14,448.39/19,934.55 = 8,480.31/x
  3. Step 3: Cross multiply
    14,448.39x = 19,934.55 × 8,480.31
  4. Step 4: Simplify right side
    14,448.39x = 169,051,163.71
  5. Step 5: Solve for x
    x = 169,051,163.71/14,448.39
  6. Step 6: Final answer
    x = 11,700.35

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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.