Home / 14,302.80-21,449.59-13,369.91

Finding the Fourth Proportional to 14,302.80, 21,449.59 and 13,369.91

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Solution

The fourth proportional to 14,302.80, 21,449.59 and 13,369.91 is: 20,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.80 : 21,449.59 = 13,369.91 : x
  2. Step 2: Convert to fraction form
    14,302.80/21,449.59 = 13,369.91/x
  3. Step 3: Cross multiply
    14,302.80x = 21,449.59 × 13,369.91
  4. Step 4: Simplify right side
    14,302.80x = 286,778,947.16
  5. Step 5: Solve for x
    x = 286,778,947.16/14,302.80
  6. Step 6: Final answer
    x = 20,050.55

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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.