Home / 15,053.07-20,772.93-8,338.59

Finding the Fourth Proportional to 15,053.07, 20,772.93 and 8,338.59

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Solution

The fourth proportional to 15,053.07, 20,772.93 and 8,338.59 is: 11,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.07 : 20,772.93 = 8,338.59 : x
  2. Step 2: Convert to fraction form
    15,053.07/20,772.93 = 8,338.59/x
  3. Step 3: Cross multiply
    15,053.07x = 20,772.93 × 8,338.59
  4. Step 4: Simplify right side
    15,053.07x = 173,216,946.37
  5. Step 5: Solve for x
    x = 173,216,946.37/15,053.07
  6. Step 6: Final answer
    x = 11,507.08

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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.