Home / 12,288.98-16,948.36-10,384.13

Finding the Fourth Proportional to 12,288.98, 16,948.36 and 10,384.13

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Solution

The fourth proportional to 12,288.98, 16,948.36 and 10,384.13 is: 14,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.98 : 16,948.36 = 10,384.13 : x
  2. Step 2: Convert to fraction form
    12,288.98/16,948.36 = 10,384.13/x
  3. Step 3: Cross multiply
    12,288.98x = 16,948.36 × 10,384.13
  4. Step 4: Simplify right side
    12,288.98x = 175,993,973.53
  5. Step 5: Solve for x
    x = 175,993,973.53/12,288.98
  6. Step 6: Final answer
    x = 14,321.28

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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.