Home / 14,415.04-21,603.12-10,902.08

Finding the Fourth Proportional to 14,415.04, 21,603.12 and 10,902.08

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Solution

The fourth proportional to 14,415.04, 21,603.12 and 10,902.08 is: 16,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.04 : 21,603.12 = 10,902.08 : x
  2. Step 2: Convert to fraction form
    14,415.04/21,603.12 = 10,902.08/x
  3. Step 3: Cross multiply
    14,415.04x = 21,603.12 × 10,902.08
  4. Step 4: Simplify right side
    14,415.04x = 235,518,942.49
  5. Step 5: Solve for x
    x = 235,518,942.49/14,415.04
  6. Step 6: Final answer
    x = 16,338.42

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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.