Home / 10,413.36-14,358.15-8,417.70

Finding the Fourth Proportional to 10,413.36, 14,358.15 and 8,417.70

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Solution

The fourth proportional to 10,413.36, 14,358.15 and 8,417.70 is: 11,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.36 : 14,358.15 = 8,417.70 : x
  2. Step 2: Convert to fraction form
    10,413.36/14,358.15 = 8,417.70/x
  3. Step 3: Cross multiply
    10,413.36x = 14,358.15 × 8,417.70
  4. Step 4: Simplify right side
    10,413.36x = 120,862,599.26
  5. Step 5: Solve for x
    x = 120,862,599.26/10,413.36
  6. Step 6: Final answer
    x = 11,606.49

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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.