Home / 10,784.76-16,178.95-6,113.91

Finding the Fourth Proportional to 10,784.76, 16,178.95 and 6,113.91

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Solution

The fourth proportional to 10,784.76, 16,178.95 and 6,113.91 is: 9,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.76 : 16,178.95 = 6,113.91 : x
  2. Step 2: Convert to fraction form
    10,784.76/16,178.95 = 6,113.91/x
  3. Step 3: Cross multiply
    10,784.76x = 16,178.95 × 6,113.91
  4. Step 4: Simplify right side
    10,784.76x = 98,916,712.51
  5. Step 5: Solve for x
    x = 98,916,712.51/10,784.76
  6. Step 6: Final answer
    x = 9,171.90

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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.