Home / 14,799.66-20,429.38-9,136.70

Finding the Fourth Proportional to 14,799.66, 20,429.38 and 9,136.70

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Solution

The fourth proportional to 14,799.66, 20,429.38 and 9,136.70 is: 12,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.66 : 20,429.38 = 9,136.70 : x
  2. Step 2: Convert to fraction form
    14,799.66/20,429.38 = 9,136.70/x
  3. Step 3: Cross multiply
    14,799.66x = 20,429.38 × 9,136.70
  4. Step 4: Simplify right side
    14,799.66x = 186,657,063.58
  5. Step 5: Solve for x
    x = 186,657,063.58/14,799.66
  6. Step 6: Final answer
    x = 12,612.25

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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.