Home / 19,458.72-29,190.60-9,590.40

Finding the Fourth Proportional to 19,458.72, 29,190.60 and 9,590.40

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Solution

The fourth proportional to 19,458.72, 29,190.60 and 9,590.40 is: 14,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.72 : 29,190.60 = 9,590.40 : x
  2. Step 2: Convert to fraction form
    19,458.72/29,190.60 = 9,590.40/x
  3. Step 3: Cross multiply
    19,458.72x = 29,190.60 × 9,590.40
  4. Step 4: Simplify right side
    19,458.72x = 279,949,530.24
  5. Step 5: Solve for x
    x = 279,949,530.24/19,458.72
  6. Step 6: Final answer
    x = 14,386.84

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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.