Home / 10,379.04-15,502.35-9,390.33

Finding the Fourth Proportional to 10,379.04, 15,502.35 and 9,390.33

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Solution

The fourth proportional to 10,379.04, 15,502.35 and 9,390.33 is: 14,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.04 : 15,502.35 = 9,390.33 : x
  2. Step 2: Convert to fraction form
    10,379.04/15,502.35 = 9,390.33/x
  3. Step 3: Cross multiply
    10,379.04x = 15,502.35 × 9,390.33
  4. Step 4: Simplify right side
    10,379.04x = 145,572,182.28
  5. Step 5: Solve for x
    x = 145,572,182.28/10,379.04
  6. Step 6: Final answer
    x = 14,025.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.