Home / 15,297.80-21,114.96-9,333.50

Finding the Fourth Proportional to 15,297.80, 21,114.96 and 9,333.50

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Solution

The fourth proportional to 15,297.80, 21,114.96 and 9,333.50 is: 12,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.80 : 21,114.96 = 9,333.50 : x
  2. Step 2: Convert to fraction form
    15,297.80/21,114.96 = 9,333.50/x
  3. Step 3: Cross multiply
    15,297.80x = 21,114.96 × 9,333.50
  4. Step 4: Simplify right side
    15,297.80x = 197,076,479.16
  5. Step 5: Solve for x
    x = 197,076,479.16/15,297.80
  6. Step 6: Final answer
    x = 12,882.67

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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.