Home / 19,430.07-29,149.23-6,281.44

Finding the Fourth Proportional to 19,430.07, 29,149.23 and 6,281.44

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Solution

The fourth proportional to 19,430.07, 29,149.23 and 6,281.44 is: 9,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.07 : 29,149.23 = 6,281.44 : x
  2. Step 2: Convert to fraction form
    19,430.07/29,149.23 = 6,281.44/x
  3. Step 3: Cross multiply
    19,430.07x = 29,149.23 × 6,281.44
  4. Step 4: Simplify right side
    19,430.07x = 183,099,066.42
  5. Step 5: Solve for x
    x = 183,099,066.42/19,430.07
  6. Step 6: Final answer
    x = 9,423.49

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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.