Home / 12,899.04-19,262.28-11,030.64

Finding the Fourth Proportional to 12,899.04, 19,262.28 and 11,030.64

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Solution

The fourth proportional to 12,899.04, 19,262.28 and 11,030.64 is: 16,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.04 : 19,262.28 = 11,030.64 : x
  2. Step 2: Convert to fraction form
    12,899.04/19,262.28 = 11,030.64/x
  3. Step 3: Cross multiply
    12,899.04x = 19,262.28 × 11,030.64
  4. Step 4: Simplify right side
    12,899.04x = 212,475,276.26
  5. Step 5: Solve for x
    x = 212,475,276.26/12,899.04
  6. Step 6: Final answer
    x = 16,472.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.