Home / 19,543.69-29,315.40-6,393.07

Finding the Fourth Proportional to 19,543.69, 29,315.40 and 6,393.07

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Solution

The fourth proportional to 19,543.69, 29,315.40 and 6,393.07 is: 9,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.69 : 29,315.40 = 6,393.07 : x
  2. Step 2: Convert to fraction form
    19,543.69/29,315.40 = 6,393.07/x
  3. Step 3: Cross multiply
    19,543.69x = 29,315.40 × 6,393.07
  4. Step 4: Simplify right side
    19,543.69x = 187,415,404.28
  5. Step 5: Solve for x
    x = 187,415,404.28/19,543.69
  6. Step 6: Final answer
    x = 9,589.56

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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.