Home / 9,680.81-14,521.32-9,208.67

Finding the Fourth Proportional to 9,680.81, 14,521.32 and 9,208.67

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Solution

The fourth proportional to 9,680.81, 14,521.32 and 9,208.67 is: 13,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.81 : 14,521.32 = 9,208.67 : x
  2. Step 2: Convert to fraction form
    9,680.81/14,521.32 = 9,208.67/x
  3. Step 3: Cross multiply
    9,680.81x = 14,521.32 × 9,208.67
  4. Step 4: Simplify right side
    9,680.81x = 133,721,971.24
  5. Step 5: Solve for x
    x = 133,721,971.24/9,680.81
  6. Step 6: Final answer
    x = 13,813.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.