Home / 18,895.07-26,070.48-12,172.61

Finding the Fourth Proportional to 18,895.07, 26,070.48 and 12,172.61

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Solution

The fourth proportional to 18,895.07, 26,070.48 and 12,172.61 is: 16,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.07 : 26,070.48 = 12,172.61 : x
  2. Step 2: Convert to fraction form
    18,895.07/26,070.48 = 12,172.61/x
  3. Step 3: Cross multiply
    18,895.07x = 26,070.48 × 12,172.61
  4. Step 4: Simplify right side
    18,895.07x = 317,345,655.20
  5. Step 5: Solve for x
    x = 317,345,655.20/18,895.07
  6. Step 6: Final answer
    x = 16,795.16

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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.