Home / 9,421.51-14,129.55-3,799.18

Finding the Fourth Proportional to 9,421.51, 14,129.55 and 3,799.18

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Solution

The fourth proportional to 9,421.51, 14,129.55 and 3,799.18 is: 5,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.51 : 14,129.55 = 3,799.18 : x
  2. Step 2: Convert to fraction form
    9,421.51/14,129.55 = 3,799.18/x
  3. Step 3: Cross multiply
    9,421.51x = 14,129.55 × 3,799.18
  4. Step 4: Simplify right side
    9,421.51x = 53,680,703.77
  5. Step 5: Solve for x
    x = 53,680,703.77/9,421.51
  6. Step 6: Final answer
    x = 5,697.68

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Half scale
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Double scale
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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.