Home / 10,783.37-16,199.55-9,307.14

Finding the Fourth Proportional to 10,783.37, 16,199.55 and 9,307.14

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Solution

The fourth proportional to 10,783.37, 16,199.55 and 9,307.14 is: 13,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.37 : 16,199.55 = 9,307.14 : x
  2. Step 2: Convert to fraction form
    10,783.37/16,199.55 = 9,307.14/x
  3. Step 3: Cross multiply
    10,783.37x = 16,199.55 × 9,307.14
  4. Step 4: Simplify right side
    10,783.37x = 150,771,479.79
  5. Step 5: Solve for x
    x = 150,771,479.79/10,783.37
  6. Step 6: Final answer
    x = 13,981.86

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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.