Home / 16,721.12-23,075.40-9,168.14

Finding the Fourth Proportional to 16,721.12, 23,075.40 and 9,168.14

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Solution

The fourth proportional to 16,721.12, 23,075.40 and 9,168.14 is: 12,652.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.12 : 23,075.40 = 9,168.14 : x
  2. Step 2: Convert to fraction form
    16,721.12/23,075.40 = 9,168.14/x
  3. Step 3: Cross multiply
    16,721.12x = 23,075.40 × 9,168.14
  4. Step 4: Simplify right side
    16,721.12x = 211,558,497.76
  5. Step 5: Solve for x
    x = 211,558,497.76/16,721.12
  6. Step 6: Final answer
    x = 12,652.17

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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.