Home / 19,617.60-29,421.97-5,577.32

Finding the Fourth Proportional to 19,617.60, 29,421.97 and 5,577.32

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Solution

The fourth proportional to 19,617.60, 29,421.97 and 5,577.32 is: 8,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.60 : 29,421.97 = 5,577.32 : x
  2. Step 2: Convert to fraction form
    19,617.60/29,421.97 = 5,577.32/x
  3. Step 3: Cross multiply
    19,617.60x = 29,421.97 × 5,577.32
  4. Step 4: Simplify right side
    19,617.60x = 164,095,691.00
  5. Step 5: Solve for x
    x = 164,095,691.00/19,617.60
  6. Step 6: Final answer
    x = 8,364.72

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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.