Home / 10,700.08-16,032.58-10,289.98

Finding the Fourth Proportional to 10,700.08, 16,032.58 and 10,289.98

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Solution

The fourth proportional to 10,700.08, 16,032.58 and 10,289.98 is: 15,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.08 : 16,032.58 = 10,289.98 : x
  2. Step 2: Convert to fraction form
    10,700.08/16,032.58 = 10,289.98/x
  3. Step 3: Cross multiply
    10,700.08x = 16,032.58 × 10,289.98
  4. Step 4: Simplify right side
    10,700.08x = 164,974,927.55
  5. Step 5: Solve for x
    x = 164,974,927.55/10,700.08
  6. Step 6: Final answer
    x = 15,418.10

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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.