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Finding the Fourth Proportional to 14,070.16, 19,413.84 and 8,403.40

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Solution

The fourth proportional to 14,070.16, 19,413.84 and 8,403.40 is: 11,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.16 : 19,413.84 = 8,403.40 : x
  2. Step 2: Convert to fraction form
    14,070.16/19,413.84 = 8,403.40/x
  3. Step 3: Cross multiply
    14,070.16x = 19,413.84 × 8,403.40
  4. Step 4: Simplify right side
    14,070.16x = 163,142,263.06
  5. Step 5: Solve for x
    x = 163,142,263.06/14,070.16
  6. Step 6: Final answer
    x = 11,594.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.