Home / 15,018.48-20,726.07-9,973.98

Finding the Fourth Proportional to 15,018.48, 20,726.07 and 9,973.98

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Solution

The fourth proportional to 15,018.48, 20,726.07 and 9,973.98 is: 13,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.48 : 20,726.07 = 9,973.98 : x
  2. Step 2: Convert to fraction form
    15,018.48/20,726.07 = 9,973.98/x
  3. Step 3: Cross multiply
    15,018.48x = 20,726.07 × 9,973.98
  4. Step 4: Simplify right side
    15,018.48x = 206,721,407.66
  5. Step 5: Solve for x
    x = 206,721,407.66/15,018.48
  6. Step 6: Final answer
    x = 13,764.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.