Home / 15,675.58-21,632.57-8,602.66

Finding the Fourth Proportional to 15,675.58, 21,632.57 and 8,602.66

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Solution

The fourth proportional to 15,675.58, 21,632.57 and 8,602.66 is: 11,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.58 : 21,632.57 = 8,602.66 : x
  2. Step 2: Convert to fraction form
    15,675.58/21,632.57 = 8,602.66/x
  3. Step 3: Cross multiply
    15,675.58x = 21,632.57 × 8,602.66
  4. Step 4: Simplify right side
    15,675.58x = 186,097,644.64
  5. Step 5: Solve for x
    x = 186,097,644.64/15,675.58
  6. Step 6: Final answer
    x = 11,871.82

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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.