Home / 14,642.76-21,966.90-5,878.36

Finding the Fourth Proportional to 14,642.76, 21,966.90 and 5,878.36

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Solution

The fourth proportional to 14,642.76, 21,966.90 and 5,878.36 is: 8,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.76 : 21,966.90 = 5,878.36 : x
  2. Step 2: Convert to fraction form
    14,642.76/21,966.90 = 5,878.36/x
  3. Step 3: Cross multiply
    14,642.76x = 21,966.90 × 5,878.36
  4. Step 4: Simplify right side
    14,642.76x = 129,129,346.28
  5. Step 5: Solve for x
    x = 129,129,346.28/14,642.76
  6. Step 6: Final answer
    x = 8,818.65

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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.