Home / 10,395.09-14,349.15-7,045.47

Finding the Fourth Proportional to 10,395.09, 14,349.15 and 7,045.47

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Solution

The fourth proportional to 10,395.09, 14,349.15 and 7,045.47 is: 9,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.09 : 14,349.15 = 7,045.47 : x
  2. Step 2: Convert to fraction form
    10,395.09/14,349.15 = 7,045.47/x
  3. Step 3: Cross multiply
    10,395.09x = 14,349.15 × 7,045.47
  4. Step 4: Simplify right side
    10,395.09x = 101,096,505.85
  5. Step 5: Solve for x
    x = 101,096,505.85/10,395.09
  6. Step 6: Final answer
    x = 9,725.41

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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.