Home / 11,036.36-15,228.80-6,560.20

Finding the Fourth Proportional to 11,036.36, 15,228.80 and 6,560.20

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Solution

The fourth proportional to 11,036.36, 15,228.80 and 6,560.20 is: 9,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.36 : 15,228.80 = 6,560.20 : x
  2. Step 2: Convert to fraction form
    11,036.36/15,228.80 = 6,560.20/x
  3. Step 3: Cross multiply
    11,036.36x = 15,228.80 × 6,560.20
  4. Step 4: Simplify right side
    11,036.36x = 99,903,973.76
  5. Step 5: Solve for x
    x = 99,903,973.76/11,036.36
  6. Step 6: Final answer
    x = 9,052.26

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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.