Home / 9,315.38-13,973.10-8,848.21

Finding the Fourth Proportional to 9,315.38, 13,973.10 and 8,848.21

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Solution

The fourth proportional to 9,315.38, 13,973.10 and 8,848.21 is: 13,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.38 : 13,973.10 = 8,848.21 : x
  2. Step 2: Convert to fraction form
    9,315.38/13,973.10 = 8,848.21/x
  3. Step 3: Cross multiply
    9,315.38x = 13,973.10 × 8,848.21
  4. Step 4: Simplify right side
    9,315.38x = 123,636,923.15
  5. Step 5: Solve for x
    x = 123,636,923.15/9,315.38
  6. Step 6: Final answer
    x = 13,272.34

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Similar ratio
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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.