Home / 11,011.08-16,422.45-10,622.28

Finding the Fourth Proportional to 11,011.08, 16,422.45 and 10,622.28

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Solution

The fourth proportional to 11,011.08, 16,422.45 and 10,622.28 is: 15,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.08 : 16,422.45 = 10,622.28 : x
  2. Step 2: Convert to fraction form
    11,011.08/16,422.45 = 10,622.28/x
  3. Step 3: Cross multiply
    11,011.08x = 16,422.45 × 10,622.28
  4. Step 4: Simplify right side
    11,011.08x = 174,443,862.19
  5. Step 5: Solve for x
    x = 174,443,862.19/11,011.08
  6. Step 6: Final answer
    x = 15,842.58

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1.5x scale

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.