Home / 12,575.04-17,353.08-6,986.40

Finding the Fourth Proportional to 12,575.04, 17,353.08 and 6,986.40

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Solution

The fourth proportional to 12,575.04, 17,353.08 and 6,986.40 is: 9,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.04 : 17,353.08 = 6,986.40 : x
  2. Step 2: Convert to fraction form
    12,575.04/17,353.08 = 6,986.40/x
  3. Step 3: Cross multiply
    12,575.04x = 17,353.08 × 6,986.40
  4. Step 4: Simplify right side
    12,575.04x = 121,235,558.11
  5. Step 5: Solve for x
    x = 121,235,558.11/12,575.04
  6. Step 6: Final answer
    x = 9,640.97

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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.