Home / 10,911.76-16,354.95-6,235.05

Finding the Fourth Proportional to 10,911.76, 16,354.95 and 6,235.05

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Solution

The fourth proportional to 10,911.76, 16,354.95 and 6,235.05 is: 9,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.76 : 16,354.95 = 6,235.05 : x
  2. Step 2: Convert to fraction form
    10,911.76/16,354.95 = 6,235.05/x
  3. Step 3: Cross multiply
    10,911.76x = 16,354.95 × 6,235.05
  4. Step 4: Simplify right side
    10,911.76x = 101,973,931.00
  5. Step 5: Solve for x
    x = 101,973,931.00/10,911.76
  6. Step 6: Final answer
    x = 9,345.32

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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.