Home / 10,830.94-14,946.70-6,115.52

Finding the Fourth Proportional to 10,830.94, 14,946.70 and 6,115.52

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Solution

The fourth proportional to 10,830.94, 14,946.70 and 6,115.52 is: 8,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.94 : 14,946.70 = 6,115.52 : x
  2. Step 2: Convert to fraction form
    10,830.94/14,946.70 = 6,115.52/x
  3. Step 3: Cross multiply
    10,830.94x = 14,946.70 × 6,115.52
  4. Step 4: Simplify right side
    10,830.94x = 91,406,864.86
  5. Step 5: Solve for x
    x = 91,406,864.86/10,830.94
  6. Step 6: Final answer
    x = 8,439.42

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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.