Home / 10,605.52-14,636.96-6,413.76

Finding the Fourth Proportional to 10,605.52, 14,636.96 and 6,413.76

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Solution

The fourth proportional to 10,605.52, 14,636.96 and 6,413.76 is: 8,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.52 : 14,636.96 = 6,413.76 : x
  2. Step 2: Convert to fraction form
    10,605.52/14,636.96 = 6,413.76/x
  3. Step 3: Cross multiply
    10,605.52x = 14,636.96 × 6,413.76
  4. Step 4: Simplify right side
    10,605.52x = 93,877,948.57
  5. Step 5: Solve for x
    x = 93,877,948.57/10,605.52
  6. Step 6: Final answer
    x = 8,851.80

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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.