Home / 18,673.48-28,001.40-6,818.92

Finding the Fourth Proportional to 18,673.48, 28,001.40 and 6,818.92

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Solution

The fourth proportional to 18,673.48, 28,001.40 and 6,818.92 is: 10,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.48 : 28,001.40 = 6,818.92 : x
  2. Step 2: Convert to fraction form
    18,673.48/28,001.40 = 6,818.92/x
  3. Step 3: Cross multiply
    18,673.48x = 28,001.40 × 6,818.92
  4. Step 4: Simplify right side
    18,673.48x = 190,939,306.49
  5. Step 5: Solve for x
    x = 190,939,306.49/18,673.48
  6. Step 6: Final answer
    x = 10,225.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.