Home / 14,163.30-21,253.05-9,783.90

Finding the Fourth Proportional to 14,163.30, 21,253.05 and 9,783.90

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Solution

The fourth proportional to 14,163.30, 21,253.05 and 9,783.90 is: 14,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.30 : 21,253.05 = 9,783.90 : x
  2. Step 2: Convert to fraction form
    14,163.30/21,253.05 = 9,783.90/x
  3. Step 3: Cross multiply
    14,163.30x = 21,253.05 × 9,783.90
  4. Step 4: Simplify right side
    14,163.30x = 207,937,715.90
  5. Step 5: Solve for x
    x = 207,937,715.90/14,163.30
  6. Step 6: Final answer
    x = 14,681.45

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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.