Home / 19,430.24-29,145.60-6,281.60

Finding the Fourth Proportional to 19,430.24, 29,145.60 and 6,281.60

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Solution

The fourth proportional to 19,430.24, 29,145.60 and 6,281.60 is: 9,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.24 : 29,145.60 = 6,281.60 : x
  2. Step 2: Convert to fraction form
    19,430.24/29,145.60 = 6,281.60/x
  3. Step 3: Cross multiply
    19,430.24x = 29,145.60 × 6,281.60
  4. Step 4: Simplify right side
    19,430.24x = 183,081,000.96
  5. Step 5: Solve for x
    x = 183,081,000.96/19,430.24
  6. Step 6: Final answer
    x = 9,422.48

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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.