Home / 12,628.04-17,425.90-6,962.50

Finding the Fourth Proportional to 12,628.04, 17,425.90 and 6,962.50

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Solution

The fourth proportional to 12,628.04, 17,425.90 and 6,962.50 is: 9,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.04 : 17,425.90 = 6,962.50 : x
  2. Step 2: Convert to fraction form
    12,628.04/17,425.90 = 6,962.50/x
  3. Step 3: Cross multiply
    12,628.04x = 17,425.90 × 6,962.50
  4. Step 4: Simplify right side
    12,628.04x = 121,327,828.75
  5. Step 5: Solve for x
    x = 121,327,828.75/12,628.04
  6. Step 6: Final answer
    x = 9,607.81

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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.