Home / 10,071.54-13,889.48-6,718.14

Finding the Fourth Proportional to 10,071.54, 13,889.48 and 6,718.14

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Solution

The fourth proportional to 10,071.54, 13,889.48 and 6,718.14 is: 9,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.54 : 13,889.48 = 6,718.14 : x
  2. Step 2: Convert to fraction form
    10,071.54/13,889.48 = 6,718.14/x
  3. Step 3: Cross multiply
    10,071.54x = 13,889.48 × 6,718.14
  4. Step 4: Simplify right side
    10,071.54x = 93,311,437.58
  5. Step 5: Solve for x
    x = 93,311,437.58/10,071.54
  6. Step 6: Final answer
    x = 9,264.86

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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.