Home / 9,669.76-14,479.40-5,278.14

Finding the Fourth Proportional to 9,669.76, 14,479.40 and 5,278.14

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Solution

The fourth proportional to 9,669.76, 14,479.40 and 5,278.14 is: 7,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.76 : 14,479.40 = 5,278.14 : x
  2. Step 2: Convert to fraction form
    9,669.76/14,479.40 = 5,278.14/x
  3. Step 3: Cross multiply
    9,669.76x = 14,479.40 × 5,278.14
  4. Step 4: Simplify right side
    9,669.76x = 76,424,300.32
  5. Step 5: Solve for x
    x = 76,424,300.32/9,669.76
  6. Step 6: Final answer
    x = 7,903.43

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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.