Home / 10,868.54-16,300.32-5,316.32

Finding the Fourth Proportional to 10,868.54, 16,300.32 and 5,316.32

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Solution

The fourth proportional to 10,868.54, 16,300.32 and 5,316.32 is: 7,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.54 : 16,300.32 = 5,316.32 : x
  2. Step 2: Convert to fraction form
    10,868.54/16,300.32 = 5,316.32/x
  3. Step 3: Cross multiply
    10,868.54x = 16,300.32 × 5,316.32
  4. Step 4: Simplify right side
    10,868.54x = 86,657,635.72
  5. Step 5: Solve for x
    x = 86,657,635.72/10,868.54
  6. Step 6: Final answer
    x = 7,973.26

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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.