Home / 10,006.65-13,814.01-6,655.05

Finding the Fourth Proportional to 10,006.65, 13,814.01 and 6,655.05

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Solution

The fourth proportional to 10,006.65, 13,814.01 and 6,655.05 is: 9,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.65 : 13,814.01 = 6,655.05 : x
  2. Step 2: Convert to fraction form
    10,006.65/13,814.01 = 6,655.05/x
  3. Step 3: Cross multiply
    10,006.65x = 13,814.01 × 6,655.05
  4. Step 4: Simplify right side
    10,006.65x = 91,932,927.25
  5. Step 5: Solve for x
    x = 91,932,927.25/10,006.65
  6. Step 6: Final answer
    x = 9,187.18

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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.