Home / 13,886.19-19,162.87-7,512.76

Finding the Fourth Proportional to 13,886.19, 19,162.87 and 7,512.76

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Solution

The fourth proportional to 13,886.19, 19,162.87 and 7,512.76 is: 10,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.19 : 19,162.87 = 7,512.76 : x
  2. Step 2: Convert to fraction form
    13,886.19/19,162.87 = 7,512.76/x
  3. Step 3: Cross multiply
    13,886.19x = 19,162.87 × 7,512.76
  4. Step 4: Simplify right side
    13,886.19x = 143,966,043.22
  5. Step 5: Solve for x
    x = 143,966,043.22/13,886.19
  6. Step 6: Final answer
    x = 10,367.57

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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.