Home / 14,416.51-21,503.65-13,087.71

Finding the Fourth Proportional to 14,416.51, 21,503.65 and 13,087.71

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Solution

The fourth proportional to 14,416.51, 21,503.65 and 13,087.71 is: 19,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.51 : 21,503.65 = 13,087.71 : x
  2. Step 2: Convert to fraction form
    14,416.51/21,503.65 = 13,087.71/x
  3. Step 3: Cross multiply
    14,416.51x = 21,503.65 × 13,087.71
  4. Step 4: Simplify right side
    14,416.51x = 281,433,535.14
  5. Step 5: Solve for x
    x = 281,433,535.14/14,416.51
  6. Step 6: Final answer
    x = 19,521.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.