Home / 10,781.08-14,877.86-6,065.36

Finding the Fourth Proportional to 10,781.08, 14,877.86 and 6,065.36

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Solution

The fourth proportional to 10,781.08, 14,877.86 and 6,065.36 is: 8,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.08 : 14,877.86 = 6,065.36 : x
  2. Step 2: Convert to fraction form
    10,781.08/14,877.86 = 6,065.36/x
  3. Step 3: Cross multiply
    10,781.08x = 14,877.86 × 6,065.36
  4. Step 4: Simplify right side
    10,781.08x = 90,239,576.93
  5. Step 5: Solve for x
    x = 90,239,576.93/10,781.08
  6. Step 6: Final answer
    x = 8,370.18

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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.