Home / 9,420.51-14,128.05-3,798.18

Finding the Fourth Proportional to 9,420.51, 14,128.05 and 3,798.18

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Solution

The fourth proportional to 9,420.51, 14,128.05 and 3,798.18 is: 5,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.51 : 14,128.05 = 3,798.18 : x
  2. Step 2: Convert to fraction form
    9,420.51/14,128.05 = 3,798.18/x
  3. Step 3: Cross multiply
    9,420.51x = 14,128.05 × 3,798.18
  4. Step 4: Simplify right side
    9,420.51x = 53,660,876.95
  5. Step 5: Solve for x
    x = 53,660,876.95/9,420.51
  6. Step 6: Final answer
    x = 5,696.18

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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.