Home / 11,364.32-15,680.81-10,445.67

Finding the Fourth Proportional to 11,364.32, 15,680.81 and 10,445.67

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Solution

The fourth proportional to 11,364.32, 15,680.81 and 10,445.67 is: 14,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.32 : 15,680.81 = 10,445.67 : x
  2. Step 2: Convert to fraction form
    11,364.32/15,680.81 = 10,445.67/x
  3. Step 3: Cross multiply
    11,364.32x = 15,680.81 × 10,445.67
  4. Step 4: Simplify right side
    11,364.32x = 163,796,592.71
  5. Step 5: Solve for x
    x = 163,796,592.71/11,364.32
  6. Step 6: Final answer
    x = 14,413.23

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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.