Home / 19,387.58-29,095.86-7,543.22

Finding the Fourth Proportional to 19,387.58, 29,095.86 and 7,543.22

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Solution

The fourth proportional to 19,387.58, 29,095.86 and 7,543.22 is: 11,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.58 : 29,095.86 = 7,543.22 : x
  2. Step 2: Convert to fraction form
    19,387.58/29,095.86 = 7,543.22/x
  3. Step 3: Cross multiply
    19,387.58x = 29,095.86 × 7,543.22
  4. Step 4: Simplify right side
    19,387.58x = 219,476,473.07
  5. Step 5: Solve for x
    x = 219,476,473.07/19,387.58
  6. Step 6: Final answer
    x = 11,320.47

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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.