Home / 15,848.66-21,871.83-8,775.08

Finding the Fourth Proportional to 15,848.66, 21,871.83 and 8,775.08

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Solution

The fourth proportional to 15,848.66, 21,871.83 and 8,775.08 is: 12,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.66 : 21,871.83 = 8,775.08 : x
  2. Step 2: Convert to fraction form
    15,848.66/21,871.83 = 8,775.08/x
  3. Step 3: Cross multiply
    15,848.66x = 21,871.83 × 8,775.08
  4. Step 4: Simplify right side
    15,848.66x = 191,926,904.76
  5. Step 5: Solve for x
    x = 191,926,904.76/15,848.66
  6. Step 6: Final answer
    x = 12,109.98

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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.