Home / 12,365.04-17,064.60-6,985.61

Finding the Fourth Proportional to 12,365.04, 17,064.60 and 6,985.61

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Solution

The fourth proportional to 12,365.04, 17,064.60 and 6,985.61 is: 9,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.04 : 17,064.60 = 6,985.61 : x
  2. Step 2: Convert to fraction form
    12,365.04/17,064.60 = 6,985.61/x
  3. Step 3: Cross multiply
    12,365.04x = 17,064.60 × 6,985.61
  4. Step 4: Simplify right side
    12,365.04x = 119,206,656.87
  5. Step 5: Solve for x
    x = 119,206,656.87/12,365.04
  6. Step 6: Final answer
    x = 9,640.62

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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.