Home / 12,557.32-17,330.58-6,968.68

Finding the Fourth Proportional to 12,557.32, 17,330.58 and 6,968.68

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Solution

The fourth proportional to 12,557.32, 17,330.58 and 6,968.68 is: 9,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.32 : 17,330.58 = 6,968.68 : x
  2. Step 2: Convert to fraction form
    12,557.32/17,330.58 = 6,968.68/x
  3. Step 3: Cross multiply
    12,557.32x = 17,330.58 × 6,968.68
  4. Step 4: Simplify right side
    12,557.32x = 120,771,266.23
  5. Step 5: Solve for x
    x = 120,771,266.23/12,557.32
  6. Step 6: Final answer
    x = 9,617.60

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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.