Home / 13,948.07-19,242.77-8,910.98

Finding the Fourth Proportional to 13,948.07, 19,242.77 and 8,910.98

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Solution

The fourth proportional to 13,948.07, 19,242.77 and 8,910.98 is: 12,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.07 : 19,242.77 = 8,910.98 : x
  2. Step 2: Convert to fraction form
    13,948.07/19,242.77 = 8,910.98/x
  3. Step 3: Cross multiply
    13,948.07x = 19,242.77 × 8,910.98
  4. Step 4: Simplify right side
    13,948.07x = 171,471,870.01
  5. Step 5: Solve for x
    x = 171,471,870.01/13,948.07
  6. Step 6: Final answer
    x = 12,293.60

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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.