Home / 18,365.04-25,343.76-12,088.64

Finding the Fourth Proportional to 18,365.04, 25,343.76 and 12,088.64

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Solution

The fourth proportional to 18,365.04, 25,343.76 and 12,088.64 is: 16,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.04 : 25,343.76 = 12,088.64 : x
  2. Step 2: Convert to fraction form
    18,365.04/25,343.76 = 12,088.64/x
  3. Step 3: Cross multiply
    18,365.04x = 25,343.76 × 12,088.64
  4. Step 4: Simplify right side
    18,365.04x = 306,371,590.89
  5. Step 5: Solve for x
    x = 306,371,590.89/18,365.04
  6. Step 6: Final answer
    x = 16,682.33

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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.