Home / 14,040.65-19,379.36-9,261.45

Finding the Fourth Proportional to 14,040.65, 19,379.36 and 9,261.45

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Solution

The fourth proportional to 14,040.65, 19,379.36 and 9,261.45 is: 12,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.65 : 19,379.36 = 9,261.45 : x
  2. Step 2: Convert to fraction form
    14,040.65/19,379.36 = 9,261.45/x
  3. Step 3: Cross multiply
    14,040.65x = 19,379.36 × 9,261.45
  4. Step 4: Simplify right side
    14,040.65x = 179,480,973.67
  5. Step 5: Solve for x
    x = 179,480,973.67/14,040.65
  6. Step 6: Final answer
    x = 12,782.95

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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.