Home / 9,165.28-12,648-4,973.44

Finding the Fourth Proportional to 9,165.28, 12,648 and 4,973.44

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Solution

The fourth proportional to 9,165.28, 12,648 and 4,973.44 is: 6,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.28 : 12,648 = 4,973.44 : x
  2. Step 2: Convert to fraction form
    9,165.28/12,648 = 4,973.44/x
  3. Step 3: Cross multiply
    9,165.28x = 12,648 × 4,973.44
  4. Step 4: Simplify right side
    9,165.28x = 62,904,069.12
  5. Step 5: Solve for x
    x = 62,904,069.12/9,165.28
  6. Step 6: Final answer
    x = 6,863.30

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Double scale
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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.