Home / 19,688.24-29,554.20-8,009.60

Finding the Fourth Proportional to 19,688.24, 29,554.20 and 8,009.60

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Solution

The fourth proportional to 19,688.24, 29,554.20 and 8,009.60 is: 12,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.24 : 29,554.20 = 8,009.60 : x
  2. Step 2: Convert to fraction form
    19,688.24/29,554.20 = 8,009.60/x
  3. Step 3: Cross multiply
    19,688.24x = 29,554.20 × 8,009.60
  4. Step 4: Simplify right side
    19,688.24x = 236,717,320.32
  5. Step 5: Solve for x
    x = 236,717,320.32/19,688.24
  6. Step 6: Final answer
    x = 12,023.28

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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.