Home / 18,799.48-28,199.91-6,319.93

Finding the Fourth Proportional to 18,799.48, 28,199.91 and 6,319.93

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Solution

The fourth proportional to 18,799.48, 28,199.91 and 6,319.93 is: 9,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.48 : 28,199.91 = 6,319.93 : x
  2. Step 2: Convert to fraction form
    18,799.48/28,199.91 = 6,319.93/x
  3. Step 3: Cross multiply
    18,799.48x = 28,199.91 × 6,319.93
  4. Step 4: Simplify right side
    18,799.48x = 178,221,457.21
  5. Step 5: Solve for x
    x = 178,221,457.21/18,799.48
  6. Step 6: Final answer
    x = 9,480.13

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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.