Home / 15,485.51-23,228.36-3,798.72

Finding the Fourth Proportional to 15,485.51, 23,228.36 and 3,798.72

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Solution

The fourth proportional to 15,485.51, 23,228.36 and 3,798.72 is: 5,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.51 : 23,228.36 = 3,798.72 : x
  2. Step 2: Convert to fraction form
    15,485.51/23,228.36 = 3,798.72/x
  3. Step 3: Cross multiply
    15,485.51x = 23,228.36 × 3,798.72
  4. Step 4: Simplify right side
    15,485.51x = 88,238,016.71
  5. Step 5: Solve for x
    x = 88,238,016.71/15,485.51
  6. Step 6: Final answer
    x = 5,698.10

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Double scale
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Similar ratio
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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.