Home / 15,665.80-23,498.70-9,088.60

Finding the Fourth Proportional to 15,665.80, 23,498.70 and 9,088.60

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Solution

The fourth proportional to 15,665.80, 23,498.70 and 9,088.60 is: 13,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665.80 : 23,498.70 = 9,088.60 : x
  2. Step 2: Convert to fraction form
    15,665.80/23,498.70 = 9,088.60/x
  3. Step 3: Cross multiply
    15,665.80x = 23,498.70 × 9,088.60
  4. Step 4: Simplify right side
    15,665.80x = 213,570,284.82
  5. Step 5: Solve for x
    x = 213,570,284.82/15,665.80
  6. Step 6: Final answer
    x = 13,632.90

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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.