Home / 19,643.26-29,483.10-9,118.92

Finding the Fourth Proportional to 19,643.26, 29,483.10 and 9,118.92

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Solution

The fourth proportional to 19,643.26, 29,483.10 and 9,118.92 is: 13,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.26 : 29,483.10 = 9,118.92 : x
  2. Step 2: Convert to fraction form
    19,643.26/29,483.10 = 9,118.92/x
  3. Step 3: Cross multiply
    19,643.26x = 29,483.10 × 9,118.92
  4. Step 4: Simplify right side
    19,643.26x = 268,854,030.25
  5. Step 5: Solve for x
    x = 268,854,030.25/19,643.26
  6. Step 6: Final answer
    x = 13,686.83

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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.