Home / 19,391.58-29,101.86-7,547.22

Finding the Fourth Proportional to 19,391.58, 29,101.86 and 7,547.22

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Solution

The fourth proportional to 19,391.58, 29,101.86 and 7,547.22 is: 11,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.58 : 29,101.86 = 7,547.22 : x
  2. Step 2: Convert to fraction form
    19,391.58/29,101.86 = 7,547.22/x
  3. Step 3: Cross multiply
    19,391.58x = 29,101.86 × 7,547.22
  4. Step 4: Simplify right side
    19,391.58x = 219,638,139.83
  5. Step 5: Solve for x
    x = 219,638,139.83/19,391.58
  6. Step 6: Final answer
    x = 11,326.47

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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.