Home / 10,808.32-14,907.36-6,617.92

Finding the Fourth Proportional to 10,808.32, 14,907.36 and 6,617.92

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Solution

The fourth proportional to 10,808.32, 14,907.36 and 6,617.92 is: 9,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.32 : 14,907.36 = 6,617.92 : x
  2. Step 2: Convert to fraction form
    10,808.32/14,907.36 = 6,617.92/x
  3. Step 3: Cross multiply
    10,808.32x = 14,907.36 × 6,617.92
  4. Step 4: Simplify right side
    10,808.32x = 98,655,715.89
  5. Step 5: Solve for x
    x = 98,655,715.89/10,808.32
  6. Step 6: Final answer
    x = 9,127.76

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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.