Home / 19,416.08-29,076.60-9,030.80

Finding the Fourth Proportional to 19,416.08, 29,076.60 and 9,030.80

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Solution

The fourth proportional to 19,416.08, 29,076.60 and 9,030.80 is: 13,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.08 : 29,076.60 = 9,030.80 : x
  2. Step 2: Convert to fraction form
    19,416.08/29,076.60 = 9,030.80/x
  3. Step 3: Cross multiply
    19,416.08x = 29,076.60 × 9,030.80
  4. Step 4: Simplify right side
    19,416.08x = 262,584,959.28
  5. Step 5: Solve for x
    x = 262,584,959.28/19,416.08
  6. Step 6: Final answer
    x = 13,524.10

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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.