Home / 10,366.36-15,538.50-7,071.28

Finding the Fourth Proportional to 10,366.36, 15,538.50 and 7,071.28

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Solution

The fourth proportional to 10,366.36, 15,538.50 and 7,071.28 is: 10,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.36 : 15,538.50 = 7,071.28 : x
  2. Step 2: Convert to fraction form
    10,366.36/15,538.50 = 7,071.28/x
  3. Step 3: Cross multiply
    10,366.36x = 15,538.50 × 7,071.28
  4. Step 4: Simplify right side
    10,366.36x = 109,877,084.28
  5. Step 5: Solve for x
    x = 109,877,084.28/10,366.36
  6. Step 6: Final answer
    x = 10,599.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.