Home / 9,864.77-13,614.69-6,280.09

Finding the Fourth Proportional to 9,864.77, 13,614.69 and 6,280.09

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Solution

The fourth proportional to 9,864.77, 13,614.69 and 6,280.09 is: 8,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.77 : 13,614.69 = 6,280.09 : x
  2. Step 2: Convert to fraction form
    9,864.77/13,614.69 = 6,280.09/x
  3. Step 3: Cross multiply
    9,864.77x = 13,614.69 × 6,280.09
  4. Step 4: Simplify right side
    9,864.77x = 85,501,478.52
  5. Step 5: Solve for x
    x = 85,501,478.52/9,864.77
  6. Step 6: Final answer
    x = 8,667.36

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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.