Home / 10,320.58-14,242.68-6,071.92

Finding the Fourth Proportional to 10,320.58, 14,242.68 and 6,071.92

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Solution

The fourth proportional to 10,320.58, 14,242.68 and 6,071.92 is: 8,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.58 : 14,242.68 = 6,071.92 : x
  2. Step 2: Convert to fraction form
    10,320.58/14,242.68 = 6,071.92/x
  3. Step 3: Cross multiply
    10,320.58x = 14,242.68 × 6,071.92
  4. Step 4: Simplify right side
    10,320.58x = 86,480,413.55
  5. Step 5: Solve for x
    x = 86,480,413.55/10,320.58
  6. Step 6: Final answer
    x = 8,379.41

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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.