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Finding the Fourth Proportional to 11,113, 15,335.98 and 6,077.32

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Solution

The fourth proportional to 11,113, 15,335.98 and 6,077.32 is: 8,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113 : 15,335.98 = 6,077.32 : x
  2. Step 2: Convert to fraction form
    11,113/15,335.98 = 6,077.32/x
  3. Step 3: Cross multiply
    11,113x = 15,335.98 × 6,077.32
  4. Step 4: Simplify right side
    11,113x = 93,201,657.97
  5. Step 5: Solve for x
    x = 93,201,657.97/11,113
  6. Step 6: Final answer
    x = 8,386.72

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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.