Home / 13,927-19,216.90-9,208.76

Finding the Fourth Proportional to 13,927, 19,216.90 and 9,208.76

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Solution

The fourth proportional to 13,927, 19,216.90 and 9,208.76 is: 12,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927 : 19,216.90 = 9,208.76 : x
  2. Step 2: Convert to fraction form
    13,927/19,216.90 = 9,208.76/x
  3. Step 3: Cross multiply
    13,927x = 19,216.90 × 9,208.76
  4. Step 4: Simplify right side
    13,927x = 176,963,820.04
  5. Step 5: Solve for x
    x = 176,963,820.04/13,927
  6. Step 6: Final answer
    x = 12,706.53

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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.