Home / 13,160.90-18,162.02-7,192.62

Finding the Fourth Proportional to 13,160.90, 18,162.02 and 7,192.62

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Solution

The fourth proportional to 13,160.90, 18,162.02 and 7,192.62 is: 9,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.90 : 18,162.02 = 7,192.62 : x
  2. Step 2: Convert to fraction form
    13,160.90/18,162.02 = 7,192.62/x
  3. Step 3: Cross multiply
    13,160.90x = 18,162.02 × 7,192.62
  4. Step 4: Simplify right side
    13,160.90x = 130,632,508.29
  5. Step 5: Solve for x
    x = 130,632,508.29/13,160.90
  6. Step 6: Final answer
    x = 9,925.80

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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.