Home / 10,421.51-14,382.89-5,945.91

Finding the Fourth Proportional to 10,421.51, 14,382.89 and 5,945.91

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Solution

The fourth proportional to 10,421.51, 14,382.89 and 5,945.91 is: 8,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.51 : 14,382.89 = 5,945.91 : x
  2. Step 2: Convert to fraction form
    10,421.51/14,382.89 = 5,945.91/x
  3. Step 3: Cross multiply
    10,421.51x = 14,382.89 × 5,945.91
  4. Step 4: Simplify right side
    10,421.51x = 85,519,287.21
  5. Step 5: Solve for x
    x = 85,519,287.21/10,421.51
  6. Step 6: Final answer
    x = 8,206.04

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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.