Home / 11,036.80-16,574.40-7,772.80

Finding the Fourth Proportional to 11,036.80, 16,574.40 and 7,772.80

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Solution

The fourth proportional to 11,036.80, 16,574.40 and 7,772.80 is: 11,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.80 : 16,574.40 = 7,772.80 : x
  2. Step 2: Convert to fraction form
    11,036.80/16,574.40 = 7,772.80/x
  3. Step 3: Cross multiply
    11,036.80x = 16,574.40 × 7,772.80
  4. Step 4: Simplify right side
    11,036.80x = 128,829,496.32
  5. Step 5: Solve for x
    x = 128,829,496.32/11,036.80
  6. Step 6: Final answer
    x = 11,672.72

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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.