Home / 13,070.51-19,578.63-6,386.82

Finding the Fourth Proportional to 13,070.51, 19,578.63 and 6,386.82

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Solution

The fourth proportional to 13,070.51, 19,578.63 and 6,386.82 is: 9,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.51 : 19,578.63 = 6,386.82 : x
  2. Step 2: Convert to fraction form
    13,070.51/19,578.63 = 6,386.82/x
  3. Step 3: Cross multiply
    13,070.51x = 19,578.63 × 6,386.82
  4. Step 4: Simplify right side
    13,070.51x = 125,045,185.66
  5. Step 5: Solve for x
    x = 125,045,185.66/13,070.51
  6. Step 6: Final answer
    x = 9,566.97

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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.