Home / 15,338.88-21,154.54-10,566.44

Finding the Fourth Proportional to 15,338.88, 21,154.54 and 10,566.44

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Solution

The fourth proportional to 15,338.88, 21,154.54 and 10,566.44 is: 14,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.88 : 21,154.54 = 10,566.44 : x
  2. Step 2: Convert to fraction form
    15,338.88/21,154.54 = 10,566.44/x
  3. Step 3: Cross multiply
    15,338.88x = 21,154.54 × 10,566.44
  4. Step 4: Simplify right side
    15,338.88x = 223,528,177.64
  5. Step 5: Solve for x
    x = 223,528,177.64/15,338.88
  6. Step 6: Final answer
    x = 14,572.65

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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.