Home / 8,774.08-13,148.16-6,929.76

Finding the Fourth Proportional to 8,774.08, 13,148.16 and 6,929.76

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Solution

The fourth proportional to 8,774.08, 13,148.16 and 6,929.76 is: 10,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.08 : 13,148.16 = 6,929.76 : x
  2. Step 2: Convert to fraction form
    8,774.08/13,148.16 = 6,929.76/x
  3. Step 3: Cross multiply
    8,774.08x = 13,148.16 × 6,929.76
  4. Step 4: Simplify right side
    8,774.08x = 91,113,593.24
  5. Step 5: Solve for x
    x = 91,113,593.24/8,774.08
  6. Step 6: Final answer
    x = 10,384.40

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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.